qemu-efi.inc: Enable EFI configs

Enable EFI kernel configs for all EFI specific machines.

Signed-off-by: Luca Seritan <luca.seritan@huawei.com>

meta-oniro-core/conf/machine/include/qemu-efi.inc

@@ -40,3 +40,6 @@ QB_DEFAULT_BIOS = "uefi.bin"
 QB_ROOTFS_EXTRA_OPT += "bootindex=0"
 EFI_PROVIDER = "grub-efi"
 MACHINE_FEATURES += "efi"
+
+# Enable EFI kernel configs
+KERNEL_FEATURES:append = "efi-arm.cfg"