minigbm: Add MTL PCI-IDs

1) Adding MTL PCI-IDs to minigbm
2) renamed gen variable to graphics_version to allign to driver naming
convention and to adapt to upcoming split ip versions for

BUG=b:243459433, b:243685631
TEST=emerge-rex minigbm

Change-Id: I9859fadecf737532e8f1689c1531caccf31fe212
Tested-by: Ashutosh Kumar <>
Reviewed-by: Dominik Behr <>
Commit-Queue: Rajat Jain <>
1 file changed