Swith to firmware KMS with appropriate Linux kernel and Mesa
version to support both HDMI and the official 7" Raspberry Pi
touch screen display on Raspberry Pi 3B/B+ and 4. Device tree
changes are not required for firmware KMS.
Bug-AGL: SPEC-2465
Change-Id: I5f8f62c0151b7eb79ab1f96419d9c62469a1554e Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>