zenfone9: Update the Architecture

from https://git.codelinaro.org/clo/la/platform/vendor/qcom/taro/-/blob/qcom-devices.lnx.7.0.r1-rel/BoardConfig.mk
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 3875269..2c3c89b 100755
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -40,18 +40,16 @@
 
 # Architecture
 TARGET_ARCH := arm64
-TARGET_ARCH_VARIANT := armv8-a
+TARGET_ARCH_VARIANT := armv8-a-branchprot
 TARGET_CPU_ABI := arm64-v8a
 TARGET_CPU_ABI2 :=
-TARGET_CPU_VARIANT := generic
-TARGET_CPU_VARIANT_RUNTIME := kryo385
+TARGET_CPU_VARIANT := kryo300
 
 TARGET_2ND_ARCH := arm
-TARGET_2ND_ARCH_VARIANT := armv8-a
+TARGET_2ND_ARCH_VARIANT := armv8-2a
 TARGET_2ND_CPU_ABI := armeabi-v7a
 TARGET_2ND_CPU_ABI2 := armeabi
-TARGET_2ND_CPU_VARIANT := generic
-TARGET_2ND_CPU_VARIANT_RUNTIME := kryo385
+TARGET_2ND_CPU_VARIANT := cortex-a75
 
 # Bluetooth
 BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := $(DEVICE_PATH)/bluetooth