drm/panel: abt-y030xx067a: yellow tint fix

The previous parameters caused an unbalanced yellow tint.

Fixes: 7467389b ("drm/panel: Add ABT Y030XX067A 3.0" 320x480 panel")
Signed-off-by: Christophe Branchereau <cbranchereau@gmail.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
[Paul: Add Fixes: tag, and fix case and punctuation in commit message]
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914092716.2370039-1-cbranchereau@gmail.com


Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>