moved ortus-com37h3m05dtc and sharp-lq070y3dg3b from being specific drivers to the generic panel driver

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
configured the GTA04 board file and defconfig to use the generic panel drivers for GTA04b2 and GTA04b3

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>