arm/dt: hammerhead: Update the default gamma setting for ORISE LCD

Change-Id: Idd6b09f443b892a76992055c71c1fda5b613876b
Signed-off-by: sooduek.kim <sooduek.kim@lge.com>
Signed-off-by: Devin Kim <dojip.kim@lge.com>
1 file changed