tools: Add intel_vbt_defs.h to Makefile.sources

So is will be picked up for the distributable tarball.

Fixes: 09f35ea4dc06 ("tools/intel_vbt_decode: start migrating to kernel intel_vbt_defs.h")
Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
1 file changed