[Kernel Config] Re-enable CFI & CET (#62)

config: re-enable cfi & cet

Re-enable CFI & CET as they don't make wsl not booting now.

wsl2_defconfig

@@ -72,6 +72,7 @@ CONFIG_X86_PMEM_LEGACY=y
 # CONFIG_MTRR_SANITIZER is not set
 # CONFIG_X86_KERNEL_IBT is not set
 CONFIG_X86_SGX=y
+CONFIG_X86_USER_SHADOW_STACK=y
 CONFIG_EFI=y
 CONFIG_EFI_STUB=y
 CONFIG_EFI_MIXED=y
@@ -97,6 +98,7 @@ CONFIG_KVM_AMD=y
 CONFIG_KVM_XEN=y
 CONFIG_KPROBES=y
 CONFIG_LTO_CLANG_THIN=y
+CONFIG_CFI_CLANG=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_FORCE_LOAD=y