linux-oniro-tweaks-all.inc: Define defconfig for qemuarm-efi based on multi_v7_defconfig

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

meta-oniro-core/recipes-kernel/linux/linux-oniro-tweaks-all.inc

@@ -21,3 +21,5 @@ SRC_URI += "file://rauc.cfg"
 # For the gcc-plugins build of the kernel we need to ensure the right include
 # path for headers is picked up to use the natively build dependencies.
 export HOSTCXXFLAGS = " -I${RECIPE_SYSROOT_NATIVE}/usr/include"
+
+SRC_URI:append:qemuarm-efi = " file://defconfig"