linux-yocto-dev: specify config for armv7a

Unlike arm64, there is no single defconfig for arm architecture. Use
Qualcomm-speciffic qcom_defconfig in order to build the kernel for
armv7a platform.

Signed-off-by: Dmitry Baryshkov <[email protected]>

Author: lumag

recipes-kernel/linux/linux-yocto-dev.bbappend

@@ -61,6 +61,7 @@ SRC_URI:append:qcom = " \
 KCONFIG_MODE:qcom = "--alldefconfig"
 
 KBUILD_DEFCONFIG:qcom ?= "defconfig"
+KBUILD_DEFCONFIG:qcom-armv7a = "qcom_defconfig"
 
 do_install:append:qcom() {
 	sed -i 's:${TMPDIR}::g' ${WORKDIR}/linux-${PACKAGE_ARCH}-${LINUX_KERNEL_TYPE}-build/drivers/gpu/drm/msm/generated/*