[A75] remove HDMI-LVDS and LVDS-HDMI framebuffer confict

board/seco/imx6qdl_a75/env_conf.h

@@ -283,7 +283,7 @@ video_mode_t video_mode_list [] = {
 					.type = VIDEO_HDMI, 
 					.video_args = {
 						.name         = "HDMI",
-						.buffer       = "mxcfb0",
+						.buffer       = "mxcfb1",
 					 	.driver       = "hdmi",
 						PANEL_LIST(hdmi_video_spec_list)
 					},
@@ -302,7 +302,7 @@ video_mode_t video_mode_list [] = {
 					.type = VIDEO_LVDS, 
 					.video_args = {
 						.name         = "LVDS ch0",
-						.buffer       = "mxcfb0",
+						.buffer       = "mxcfb1",
 					 	.driver       = "ldb",
 						PANEL_LIST(lvds_video_spec_list)
 					},