msm: acpuclock-7627: Skip TCXO PLL for clk_enable

The acpuclock driver only needs to control and vote
the PLLs except TCXO. The clock pll driver doesn't maintain
TCXO as pll.

Change-Id: I3a6438a535ef42399893ff8b291411c6a1e4e188
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
diff --git a/arch/arm/mach-msm/acpuclock-7627.c b/arch/arm/mach-msm/acpuclock-7627.c
index 5181761..1a2ae48 100644
--- a/arch/arm/mach-msm/acpuclock-7627.c
+++ b/arch/arm/mach-msm/acpuclock-7627.c
@@ -739,7 +739,8 @@
 			}
 		}
 
-		if (!(plls_enabled & (1 << tgt_s->pll))) {
+		if ((tgt_s->pll != ACPU_PLL_TCXO) &&
+				!(plls_enabled & (1 << tgt_s->pll))) {
 			rc = clk_enable(pll_clk[tgt_s->pll].clk);
 			if (rc < 0) {
 				pr_err("PLL%d enable failed (%d)\n",