disp: msm: dp: update vswing and pre-emphasis settings for lito

Change to update the voltage swing and pre-emphasis settings for
lito to support dp phy cts.

Change-Id: I97f0b9882291d7d52e10ef4bef6ea6a23780e12a
Signed-off-by: Sankeerth Billakanti <sbillaka@codeaurora.org>
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>

msm/dp/dp_catalog_v420.c

@@ -247,7 +247,10 @@ static void dp_catalog_ctrl_update_vx_px_v420(struct dp_catalog_ctrl *ctrl,
 	io_data = catalog->io->dp_ahb;
 	version = dp_read(DP_HW_VERSION);
 
-	if (version == 0x10020003) {
+	/*
+	 * For DP controller versions 1.2.3 and 1.2.4
+	 */
+	if ((version == 0x10020003) || (version == 0x10020004)) {
 		if (high) {
 			value0 = dp_swing_hbr2_hbr3[v_level][p_level];
 			value1 = dp_pre_emp_hbr2_hbr3[v_level][p_level];