Calculate transcoder flags based on pipe config

Works fine with all three panels with the change of 6 bits per color.

Change-Id: Ia47d152e62d1879150d8cf9a6657b62007ef5c0e
Reviewed-on: https://gerrit.chromium.org/gerrit/63762
Reviewed-by: Ronald G. Minnich <rminnich@chromium.org>
Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/4402
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/lib/edid.c b/src/lib/edid.c
index dd7c46a..b2bd9b7 100644
--- a/src/lib/edid.c
+++ b/src/lib/edid.c
@@ -475,6 +475,7 @@
 		 * we have yet to see a case where that will happen.
 		 */
 		out->bpp = 32;
+
 		out->x_resolution = ALIGN(out->ha * ((out->bpp + 7) / 8),64) / (out->bpp/8);
 		out->y_resolution = out->va;
 		out->bytes_per_line = ALIGN(out->ha * ((out->bpp + 7) / 8),64);