Add changelog notes for M1 shader-tools/make.

Bug: android/ndk#1546
Bug: android/ndk#1577
Test: None
Change-Id: Ib42b3644966ff691f45595d9e2bbe456b4a91c22
(cherry picked from commit 0d991cbe04d8afede6649dfa1584cba40b775664)
Merged-In: Ib42b3644966ff691f45595d9e2bbe456b4a91c22

docs/changelogs/Changelog-r23.md

@@ -38,6 +38,9 @@ For Android Studio issues, follow the docs on the [Android Studio site].
   * [Issue 1672]: Fixed armeabi-v7a libunwind.a to be compatible with vfpv3-d16
     (remember that this is the last release that will support that FPU setting).
 * [Issue 1410]: Fix ndk-build for Apple M1.
+* [Issue 1546]: Universal binaries (M1 support) for make (affects ndk-build).
+* [Issue 1577]: Universal binaries (M1 support) for shader-tools (vulkan
+  compilers).
 * [Issue 1569]: Fix `-fno-integrated-as` for Linux and Darwin hosts by making
   GAS symlink relative
 * [Issue 1589]: Fix incorrect API level check for `-Wl,--no-rosegment` in
@@ -57,6 +60,8 @@ For Android Studio issues, follow the docs on the [Android Studio site].
   `-DANDROID_USE_LEGACY_TOOLCHAIN_FILE=OFF`.
 
 [Issue 1410]: https://github.com/android/ndk/issues/1410
+[Issue 1546]: https://github.com/android/ndk/issues/1546
+[Issue 1577]: https://github.com/android/ndk/issues/1577
 [Issue 1589]: https://github.com/android/ndk/issues/1589
 [Issue 1590]: https://github.com/android/ndk/issues/1590
 [Issue 1608]: https://github.com/android/ndk/issues/1608