soc/intel: Make use of common gfx.asl

Add gfx.asl file for all IA SOCs to allow for graphics-related ACPI
devices and methods.

TEST=Able to build and boot TGL platform
Dump and disassemble DSDT, verify GFX0 device present as below

Device (GFX0)
{
  Name (_ADR, 0x00020000)  // _ADR: Address
}

Change-Id: I5560e900a77872552df1064dc3b7a8148e35d682
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46088
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

0 files changed, 0 insertions, 0 deletions