Revert "lisa: Let's try gio kernel"

This reverts commit 1a08807d.

BoardConfig.mk

@@ -110,16 +110,19 @@ BOARD_KERNEL_SEPARATED_DTBO := true
 BOARD_BOOT_HEADER_VERSION := 4
 BOARD_MKBOOTIMG_ARGS += --header_version $(BOARD_BOOT_HEADER_VERSION)
 
-TARGET_KERNEL_ADDITIONAL_FLAGS := TARGET_PRODUCT=$(PRODUCT_DEVICE)
-#KERNEL_SUPPORTS_LLVM_TOOLS := true
+TARGET_KERNEL_ADDITIONAL_FLAGS := \
+    LLVM=1 \
+    LLVM_IAS=1 \
+    TARGET_PRODUCT=$(PRODUCT_DEVICE)
+KERNEL_SUPPORTS_LLVM_TOOLS := true
 TARGET_KERNEL_SOURCE := kernel/xiaomi/lisa
 TARGET_KERNEL_CONFIG := vendor/lisa-qgki_defconfig
-#TARGET_KERNEL_CLANG_VERSION := neutron
-#TARGET_CLANG_PREBUILTS_VERSION := neutron
-#TARGET_KERNEL_CLANG_PATH := $(shell pwd)/prebuilts/clang/host/linux-x86/clang-neutron
-#TARGET_CLANG_WITH_GNU_BINUTILS := true
-#TARGET_KERNEL_CROSS_COMPILE_PREFIX := aarch64-linux-gnu-
-#TARGET_KERNEL_CROSS_COMPILE_PREFIX_ARM32 := arm-linux-gnueabi-
+TARGET_KERNEL_CLANG_VERSION := neutron
+TARGET_CLANG_PREBUILTS_VERSION := neutron
+TARGET_KERNEL_CLANG_PATH := $(shell pwd)/prebuilts/clang/host/linux-x86/clang-neutron
+TARGET_CLANG_WITH_GNU_BINUTILS := true
+TARGET_KERNEL_CROSS_COMPILE_PREFIX := aarch64-linux-gnu-
+TARGET_KERNEL_CROSS_COMPILE_PREFIX_ARM32 := arm-linux-gnueabi-
 
 BOARD_KERNEL_CMDLINE += androidboot.console=ttyMSM0
 BOARD_KERNEL_CMDLINE += androidboot.hardware=qcom