Enable SGX virtualization in default config

Reviewed-by: NZhiquan Li <zhiquan1.li@intel.com>
Signed-off-by: NJason Zeng <jason.zeng@intel.com>

arch/x86/configs/openeuler_defconfig

@@ -727,6 +727,7 @@ CONFIG_KVM_XFER_TO_GUEST_WORK=y
 CONFIG_VIRTUALIZATION=y
 CONFIG_KVM=m
 CONFIG_KVM_INTEL=m
+CONFIG_X86_SGX_KVM=y
 CONFIG_KVM_AMD=m
 CONFIG_KVM_AMD_SEV=y
 CONFIG_KVM_MMU_AUDIT=y