overlay/Makefile.am: Remove i915_pciids.h from overlay sources

Commit d308bb082d429eb25 (lib: Start weaning off defunct
intel_chipset.h) moved i915_pciids.h to lib/ from overlay/ and
now is packaged by lib/.

Signed-off-by: Marius Vlad <marius.c.vlad@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
1 file changed