platform: msm_shared: poll PHY status register during VCO enable

Poll PHY status register to ensure that the PHY is ready during
the VCO enable sequence.

Change-Id: I7e5b8fbd6ffc17eabfb2175ddd81f37c29934373
diff --git a/platform/msm_shared/mdss_hdmi_pll_8996.c b/platform/msm_shared/mdss_hdmi_pll_8996.c
index d6ca347..8923ea5 100644
--- a/platform/msm_shared/mdss_hdmi_pll_8996.c
+++ b/platform/msm_shared/mdss_hdmi_pll_8996.c
@@ -782,7 +782,7 @@
 	num_reads = HDMI_PLL_POLL_MAX_READS;
 	status = readl(HDMI_PHY_STATUS);
 	while (!(status & BIT(0)) && num_reads) {
-		status = readl(QSERDES_COM_C_READY_STATUS);
+		status = readl(HDMI_PHY_STATUS);
 		num_reads--;
 		udelay(HDMI_PLL_POLL_TIMEOUT_US);
 	}