platform: msm_shared: add 594MHZ to HDMI clock frequency table

Add an entry for 594MHZ to the clock frequency table for the
HDMI display. This enables selecting and setting the HDMI pixel
clock rate to 594MHZ.

Change-Id: Ibc9ff0e30568e0385d8c91ba8a0ea83ca1cbaef8
diff --git a/platform/msm8996/msm8996-clock.c b/platform/msm8996/msm8996-clock.c
index 4703d84..a5304c9 100644
--- a/platform/msm8996/msm8996-clock.c
+++ b/platform/msm8996/msm8996-clock.c
@@ -776,6 +776,7 @@
 	F_MDSS(148500000, hdmipll, 1, 0, 0),
 	F_MDSS(268500000, hdmipll, 1, 0, 0),
 	F_MDSS(297000000, hdmipll, 1, 0, 0),
+	F_MDSS(594000000, hdmipll, 1, 0, 0),
 	F_END
 };