msm: acpuclock-7627: Correct the clock disable usage

clk_disable_unprepare should be corrected to clk_disable
to balance the prepare and unprepare calls.

Change-Id: Ie182c871c0bec997f03c610a0591009dea4ec23a
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 4facc76..09a1be7 100644
--- a/arch/arm/mach-msm/acpuclock-7627.c
+++ b/arch/arm/mach-msm/acpuclock-7627.c
@@ -728,7 +728,7 @@
 		if ((delta > drv_state.max_speed_delta_khz)
 				|| (strt_s->pll == ACPU_PLL_4 &&
 					tgt_s->pll == ACPU_PLL_4))
-			clk_disable_unprepare(pll_clk[backup_s->pll].clk);
+			clk_disable(pll_clk[backup_s->pll].clk);
 
 		goto done;
 	}