chore: Replace 'M1' with 'Apple Silicon' in the doc (#38344)

Summary:
Use Apple Silicon instead of M1 because we have M2 and other variations too.

I did not change the name of `__apply_Xcode_12_5_M1_post_install_workaround` as it's in use.

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[GENERAL] [FIXED] - Use Apple Silicon instead of M1

Pull Request resolved: https://github.com/facebook/react-native/pull/38344

Test Plan: None as no behavioral changes

Reviewed By: christophpurrer

Differential Revision: D47466540

Pulled By: javache

fbshipit-source-id: d770189e065899181a8b4ea17465beef09607d2f

packages/react-native/ReactAndroid/build.gradle

@@ -458,7 +458,7 @@ android {
     namespace "com.facebook.react"
 
     // Used to override the NDK path/version on internal CI or by allowing
-    // users to customize the NDK path/version from their root project (e.g. for M1 support)
+    // users to customize the NDK path/version from their root project (e.g. for Apple Silicon support)
     if (rootProject.hasProperty("ndkPath")) {
         ndkPath rootProject.ext.ndkPath
     }

packages/react-native/ReactAndroid/hermes-engine/build.gradle

@@ -130,7 +130,7 @@ android {
     namespace "com.facebook.hermes"
 
     // Used to override the NDK path/version on internal CI or by allowing
-    // users to customize the NDK path/version from their root project (e.g. for M1 support)
+    // users to customize the NDK path/version from their root project (e.g. for Apple Silicon support)
     if (rootProject.hasProperty("ndkPath")) {
         ndkPath rootProject.ext.ndkPath
     }

packages/react-native/scripts/cocoapods/utils.rb

@@ -171,7 +171,7 @@ class ReactNativePodsUtils
         end
 
         if lib_search_paths.include?("$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)") || lib_search_paths.include?("\"$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)\"")
-            # $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME) causes problem with Xcode 12.5 + arm64 (Apple M1)
+            # $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME) causes problem with Xcode 12.5 + arm64 (Apple Silicon)
             # since the libraries there are only built for x86_64 and i386.
             lib_search_paths.delete("$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)")
             lib_search_paths.delete("\"$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)\"")

packages/react-native/scripts/find-node-for-xcode.sh

@@ -21,10 +21,10 @@ set -e
 # the running shell process will choose a node binary and a global package directory breaks version managers
 unset PREFIX
 
-# Support Homebrew on M1
-HOMEBREW_M1_BIN=/opt/homebrew/bin
-if [[ -d $HOMEBREW_M1_BIN && ! $PATH =~ $HOMEBREW_M1_BIN ]]; then
-  export PATH="$HOMEBREW_M1_BIN:$PATH"
+# Support Homebrew on Apple Silicon
+HOMEBREW_APPLE_SILICON_BIN=/opt/homebrew/bin
+if [[ -d $HOMEBREW_APPLE_SILICON_BIN && ! $PATH =~ $HOMEBREW_APPLE_SILICON_BIN ]]; then
+  export PATH="$HOMEBREW_APPLE_SILICON_BIN:$PATH"
 fi
 
 # Define NVM_DIR and source the nvm.sh setup script

packages/react-native/scripts/react_native_pods.rb

@@ -356,7 +356,7 @@ def use_react_native_codegen!(spec, options={})
   }
 end
 
-# This provides a post_install workaround for build issues related Xcode 12.5 and Apple Silicon (M1) machines.
+# This provides a post_install workaround for build issues related Xcode 12.5 and Apple Silicon machines.
 # Call this in the app's main Podfile's post_install hook.
 # See https://github.com/facebook/react-native/issues/31480#issuecomment-902912841 for more context.
 # Actual fix was authored by https://github.com/mikehardy.

packages/rn-tester/README.md

@@ -34,9 +34,9 @@ Both macOS and Xcode are required.
 3. Install Bundler and CocoaPods dependencies: `bundle install && bundle exec pod install` or `yarn setup-ios-hermes`. In order to use JSC instead of Hermes engine, run: `USE_HERMES=0 bundle exec pod install` or `yarn setup-ios-jsc` instead.
 4. Open the generated `RNTesterPods.xcworkspace`. This is not checked in, as it is generated by CocoaPods. Do not open `RNTesterPods.xcodeproj` directly.
 
-#### Note for M1 users
+#### Note for Apple Silicon users
 
-If you own a Mac M1 laptop, you need to run some different commands to install and run cocoapods.
+If you own a Mac laptop with Apple Silicon, you need to run some different commands to install and run cocoapods.
 
 - `sudo arch -x86_64 gem install ffi`: this installs the `ffi` package to load dynamically-linked libraries.
 - `arch -x86_64 pod install`: this run `pod install` with the right architecture.

packages/rn-tester/android/app/build.gradle

@@ -94,7 +94,7 @@ android {
     namespace "com.facebook.react.uiapp"
 
     // Used to override the NDK path/version on internal CI or by allowing
-    // users to customize the NDK path/version from their root project (e.g. for M1 support)
+    // users to customize the NDK path/version from their root project (e.g. for Apple Silicon support)
     if (rootProject.hasProperty("ndkPath")) {
         ndkPath rootProject.ext.ndkPath
     }