drivers/intel/gma: drop unused register to resolve name conflict
The register `ESR` conflicts with the `Exception syndrome register` in
UDK2017. To resolve the conflict, drop the unused `ESR` register from
gma registers. It can be readded and prefixed or renamed if it's
required at a later point.
Change-Id: Icfdd834aea59ae69639a180221f5e97170fbac15
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48758
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>