sys-kernel/coreos-modules: Reenable console support for DRM

When the virtio graphic mode instead of qemu's bochs was used, the
interactive console did not show up because fbdev emulation recently
got disabled.
Reenable fbdev emulation and also add the "simple" FB DRM driver for
UEFI.

Signed-off-by: Kai Lueke <[email protected]>

Author: pothos

sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/commonconfig-6.12

@@ -169,9 +169,12 @@ CONFIG_DM_VERITY=m
 CONFIG_DM_ZERO=m
 CONFIG_DNS_RESOLVER=y
 CONFIG_DRM=m
+CONFIG_DRM_FBDEV_EMULATION=y
+CONFIG_DRM_SIMPLEDRM=m
+CONFIG_DRM_TTM_HELPER=m
 CONFIG_DRM_VIRTIO_GPU=m
+CONFIG_DRM_VRAM_HELPER=m
 CONFIG_DST_CACHE=y
-# CONFIG_DRM_FBDEV_EMULATION is not set
 CONFIG_DUMMY=m
 CONFIG_DYNAMIC_DEBUG=y
 CONFIG_E100=m