Use annotations for generating Ubuntu config

This change updates the build script to use the annotations script from
Ubuntu to generate the kernel configuration. Previously, we used the
pre-generated configuration files available in the mainline crack
builds. However, the team has stopped generating these in favor of the
annotations script.

debian/rules

@@ -86,11 +86,10 @@ override_dh_auto_clean: debian/control
 PVE_KERNEL_TEMPLATES := $(patsubst debian/templates/pve-kernel.%.in, debian/${PVE_KERNEL_PKG}.%, $(wildcard debian/templates/pve-kernel.*.in))
 
 ${KERNEL_SRC}/.config:
+	python3 ${KERNEL_SRC}/debian/scripts/misc/annotations -f ${KERNEL_SRC}/debian.master/config/annotations -a ${DEB_BUILD_ARCH} --export > ${KERNEL_SRC}/debian.master/config/config.ubuntu
 	${KERNEL_SRC}/scripts/kconfig/merge_config.sh -m \
 		-O ${KERNEL_SRC} \
-		${KERNEL_SRC}/debian.master/config/config.common.ubuntu \
-		${KERNEL_SRC}/debian.master/config/${DEB_BUILD_ARCH}/config.common.${DEB_BUILD_ARCH} \
-		${KERNEL_SRC}/debian.master/config/${DEB_BUILD_ARCH}/config.flavour.generic \
+		${KERNEL_SRC}/debian.master/config/config.ubuntu \
 		debian/config/config.pve
 	${MAKE} -C ${KERNEL_SRC} CC=${PVE_KERNEL_CC} olddefconfig