drivers/intel/gma: Power up legacy VGA block early

This is required at least on Skylake to be able to configure text mode.
3rdparty/libgfxinit is also updated by the single commit:

    42fb2d065d gma: Add procedure to power up legacy VGA block

Change-Id: I2fe144765e2b2acd9f6b76db375cae5b8feb5489
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/21386
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 0 insertions, 0 deletions

diff --git a/3rdparty/libgfxinit b/3rdparty/libgfxinit
-Subproject 3a0e2a08f5489f3bb5c6e9f97b903e6e10c31a6
+Subproject 42fb2d065d604eb08c723ac6b96aeebb4c84cbd