sconfig: check whether component directory actually exists

and add drivers/generic/generic back (empty), since it is used by many
devicetree.cb files.

Without this patch typos in component names in devicetree.cb cause
the component to be silently ignored.

Change-Id: I3cfca2725816f0cd7d72139ae53af815009e8ab4
Signed-off-by: Stefan Reinauer <>
Tested-by: build bot (Jenkins)
Reviewed-by: Peter Stuge <>
5 files changed