msm: acpuclock-7201: Convert to new clk_prepare/unprepare API

In new clock APIs clk_enable/clk_disable are used with new
clk_prepare/clk_unprepare APIs. Hence convert the acpclock driver
to use the new APIs.

Change-Id: I7e81e33a8186eea44b6fd9121b42176cdd4396c5
Signed-off-by: Pankaj Kumar <pakuma@codeaurora.org>
diff --git a/arch/arm/mach-msm/acpuclock-7201.c b/arch/arm/mach-msm/acpuclock-7201.c
index 6140559..7ad3f65 100644
--- a/arch/arm/mach-msm/acpuclock-7201.c
+++ b/arch/arm/mach-msm/acpuclock-7201.c
@@ -757,7 +757,7 @@
 	res = clk_set_rate(drv_state.ebi1_clk, speed->axiclk_khz * 1000);
 	if (res < 0)
 		pr_warning("Setting AXI min rate failed (%d)\n", res);
-	res = clk_enable(drv_state.ebi1_clk);
+	res = clk_prepare_enable(drv_state.ebi1_clk);
 	if (res < 0)
 		pr_warning("Enabling AXI clock failed (%d)\n", res);