add libwidevine package

.gitignore

@@ -1,6 +1,6 @@
 .DS_Store
 API_KEYS.txt
-*.deb
+#*.deb
 *.rpm
 *.snap
 *.AppImage

arm/raspi/build/config/compiler/BUILD.gn

@@ -2197,8 +2197,8 @@ if (is_win) {
   common_optimize_on_ldflags = [ "-Wl,-O3", ]
   
   if (current_cpu == "arm64") {
-    common_optimize_on_cflags += [ "-march=armv8-a+crc", "-mtune=cortex-a72", "-mfpu=neon-fp-armv8", "-mfloat-abi=hard", ]
-    common_optimize_on_ldflags += [ "-march=armv8-a+crc", ]
+    common_optimize_on_cflags += [ "-march=armv8-a+simd", "-mtune=cortex-a72", "-mfpu=neon-vfpv4", "-mfloat-abi=hard", ]
+    common_optimize_on_ldflags += [ "-march=armv8-a+simd", ]
     if (is_linux) {
       common_optimize_on_cflags += [ "-Wno-unused-command-line-argument", ]
     }