dev: panel: change truly WVGA panel to use LDO mode

On 8x10, it was using DCDC mode, which requires a indcutor
on the board.  To save cost, the inductor will be removed.
And it will use LDO mode.

Change-Id: If5101a37f63b067e41887f68cadeb282eab3537b
diff --git a/dev/panel/msm/mipi_truly_video_wvga.c b/dev/panel/msm/mipi_truly_video_wvga.c
index 8a19af8..fa757fe 100644
--- a/dev/panel/msm/mipi_truly_video_wvga.c
+++ b/dev/panel/msm/mipi_truly_video_wvga.c
@@ -254,7 +254,7 @@
 
 static struct mdss_dsi_phy_ctrl dsi_video_mode_phy_db = {
 	/* regulator */
-	{0x09, 0x08, 0x05, 0x00, 0x20, 0x03},
+	{0x02, 0x08, 0x05, 0x00, 0x20, 0x03},
 	/* timing   */
 	{0x5d, 0x12, 0x0c, 0x00, 0x33, 0x38,
 		0x10, 0x16, 0x1e, 0x03, 0x04, 0x00},