msm7627a: Pass clock rate value to mdp clock

Set the right mdp clock rate during panel init code &
use the same during mdp clock initialization.

Change-Id: I492ea5299d3a6619c4ad7502ec4386d7b7f1ae14
diff --git a/dev/panel/msm/mipi_renesas_video_fwvga.c b/dev/panel/msm/mipi_renesas_video_fwvga.c
index 057fee4..bf33d31 100644
--- a/dev/panel/msm/mipi_renesas_video_fwvga.c
+++ b/dev/panel/msm/mipi_renesas_video_fwvga.c
@@ -113,6 +113,7 @@
 	pinfo->type = MIPI_VIDEO_PANEL;
 	pinfo->wait_cycle = 0;
 	pinfo->bpp = 24;
+	pinfo->clk_rate = 499000000;
 
 	pinfo->mipi.mode = DSI_VIDEO_MODE;
 	pinfo->mipi.traffic_mode = 2;