platform: msm8974: Don't enable cdc clock for v2 hw.

CDC (calibration delay circuit) clocks are present on
pro hardware only, do not attempt to turn on cdc clocks
for non pro hardware.

CRs-Fixed: 637109
Change-Id: Icc40cf614179a8f056675a3ce2e88611889c21ac
diff --git a/platform/msm8974/acpuclock.c b/platform/msm8974/acpuclock.c
index da1b024..d7a6210 100644
--- a/platform/msm8974/acpuclock.c
+++ b/platform/msm8974/acpuclock.c
@@ -177,6 +177,12 @@
 	int ret = 0;
 	char clk_name[64];
 
+	/* CDC clocks are not supported for 8974 v1 & v2
+	 * only pro msm's support it
+	 */
+	if (platform_is_8974())
+		return;
+
 	snprintf(clk_name, sizeof(clk_name), "gcc_sdcc%u_cdccal_sleep_clk", interface);
 	ret = clk_get_set_enable(clk_name, 0 , 1);
 	if (ret)