arch/arm64: configs: Enable LTO

Signed-off-by: K A R T H I K <karthik.lal558@gmail.com>

Author: karthik558

arch/arm64/configs/vendor/violet-perf_defconfig

@@ -280,12 +280,12 @@ CONFIG_CC_STACKPROTECTOR=y
 CONFIG_CC_STACKPROTECTOR_STRONG=y
 CONFIG_BOEFFLA_WL_BLOCKER=y
 CONFIG_THIN_ARCHIVES=y
-# CONFIG_LTO is not set
+CONFIG_LTO=y
 CONFIG_ARCH_SUPPORTS_LTO_CLANG=y
 CONFIG_ARCH_SUPPORTS_THINLTO=y
 # CONFIG_THINLTO is not set
 # CONFIG_LTO_NONE is not set
-# CONFIG_LTO_CLANG is not set
+CONFIG_LTO_CLANG=y
 CONFIG_CFI=y
 # CONFIG_CFI_PERMISSIVE is not set
 CONFIG_CFI_CLANG=y