Remove stack caching on iOS due to unbearable clang compilation time

arch/arm64/ios/config.sh

@@ -30,6 +30,7 @@ disasm_fs=arch/arm64/disasm.fs
 EC_MODE="false"
 NO_EC=""
 EC=""
+STACK_CACHE_REGS="1"
 engine2='engine2$(OPT).o'
 engine_fast2='engine-fast2$(OPT).o'
 no_dynamic=""

update-copyright-blacklist

@@ -469,16 +469,19 @@ arch/arm/android/res/drawable-mdpi/ic_launcher.png
 arch/arm/android/res/drawable-xhdpi/ic_launcher.png
 arch/arm/android/res/drawable-xxhdpi/ic_launcher.png
 arch/arm/android/res/drawable-xxxhdpi/ic_launcher.png
+minos2/ascii.png
+minos2/button.png
+minos2/button2.png
+minos2/button3.png
 arch/arm64/ios/icon/gforth120.png
 arch/arm64/ios/icon/gforth152.png
+arch/arm64/ios/icon/gforth167.png
 arch/arm64/ios/icon/gforth180.png
+arch/arm64/ios/icon/gforth20.png
 arch/arm64/ios/icon/gforth29.png
 arch/arm64/ios/icon/gforth40.png
 arch/arm64/ios/icon/gforth58.png
+arch/arm64/ios/icon/gforth60.png
 arch/arm64/ios/icon/gforth76.png
 arch/arm64/ios/icon/gforth80.png
 arch/arm64/ios/icon/gforth87.png
-minos2/ascii.png
-minos2/button.png
-minos2/button2.png
-minos2/button3.png