rockchip: drop O3 optimization

armv8/config-6.1

@@ -107,8 +107,6 @@ CONFIG_BSD_PROCESS_ACCT_V3=y
 CONFIG_CC_HAVE_SHADOW_CALL_STACK=y
 CONFIG_CC_HAVE_STACKPROTECTOR_SYSREG=y
 CONFIG_CC_IMPLICIT_FALLTHROUGH="-Wimplicit-fallthrough=5"
-# CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE is not set
-CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3=y
 CONFIG_CC_NO_ARRAY_BOUNDS=y
 CONFIG_CHARGER_GPIO=y
 # CONFIG_CHARGER_RK817 is not set

patches-6.1/999-linux-O3.patch

@@ -1,41 +0,0 @@
-diff --git a/Makefile b/Makefile
-index 56afd1509..10b3a59b4 100644
---- a/Makefile
-+++ b/Makefile
-@@ -823,6 +823,9 @@ KBUILD_CFLAGS	+= $(call cc-disable-warning, address-of-packed-member)
- ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE
- KBUILD_CFLAGS += -O2
- KBUILD_RUSTFLAGS += -Copt-level=2
-+else ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3
-+KBUILD_CFLAGS += -O3
-+KBUILD_RUSTFLAGS += -Copt-level=3
- else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
- KBUILD_CFLAGS += -Os
- KBUILD_RUSTFLAGS += -Copt-level=s
-diff --git a/init/Kconfig b/init/Kconfig
-index 94125d3b6..8ecbc5e96 100644
---- a/init/Kconfig
-+++ b/init/Kconfig
-@@ -1405,7 +1405,7 @@ config INITRAMFS_PRESERVE_MTIME
- 
- choice
- 	prompt "Compiler optimization level"
--	default CC_OPTIMIZE_FOR_PERFORMANCE
-+	default CC_OPTIMIZE_FOR_PERFORMANCE_O3
- 
- config CC_OPTIMIZE_FOR_PERFORMANCE
- 	bool "Optimize for performance (-O2)"
-@@ -1414,6 +1414,13 @@ config CC_OPTIMIZE_FOR_PERFORMANCE
- 	  with the "-O2" compiler flag for best performance and most
- 	  helpful compile-time warnings.
- 
-+config CC_OPTIMIZE_FOR_PERFORMANCE_O3
-+	bool "Optimize more for performance (-O3)"
-+	imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED
-+	help
-+	  Choosing this option will pass "-O3" to your compiler to optimize
-+	  the kernel yet more for performance.
-+
- config CC_OPTIMIZE_FOR_SIZE
- 	bool "Optimize for size (-Os)"
- 	help