Now that we have dropped QemuVideoDxe from all QEMU targeted builds under ArmVirtPkg, we can revert the ARM specific changes to it. This partially reverts commits84a75f70e9
(SVN 16890) and05a5379458
. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Laszlo Ersek <lersek@redhat.com>