[coreboot-gerrit] Patch merged into coreboot/master: northbridge/i945/gma: Re-enable NVRAM tft_brightness

the following patch was just integrated into master:
commit c7a1a3e994135bb405662e2f52d0b22efa899c3d
Author: Alexander Couzens 
Date:   Wed Mar 9 10:42:58 2016 +0100

northbridge/i945/gma: Re-enable NVRAM tft_brightness

Commit 71512b2c (northbridge/i945/gma: fix build error with native graphics init)
    unintentionally changed the code to ignore the NVRAM setting
    `tft_brightness`. Revert that hunk to restore the original behavior.

Change-Id: Iffdfc5272732bad3476f35ddac1f5a7564270531
    Signed-off-by: Alexander Couzens 
    Reviewed-on: https://review.coreboot.org/14002
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/14002 for details.

-gerrit