msm: clock: Clean-up auto-off ops

Now that the voltage scaling code has been pushed up into clock.c,
RCG and branch clock auto-off ops do the same thing as the disable
ops.  Remove the duplicated/unnecessary code. The RPM clock auto-off
function does nothing and can be removed, also.

Change-Id: I2a42edc52b73f5198b1b81d053cf7d4775cf1a49
Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
diff --git a/arch/arm/mach-msm/clock-7x30.c b/arch/arm/mach-msm/clock-7x30.c
index c4d229d..73020dc 100644
--- a/arch/arm/mach-msm/clock-7x30.c
+++ b/arch/arm/mach-msm/clock-7x30.c
@@ -3030,7 +3030,7 @@
 static struct clk_ops clk_ops_rcg_7x30 = {
 	.enable = rcg_clk_enable,
 	.disable = rcg_clk_disable,
-	.auto_off = rcg_clk_auto_off,
+	.auto_off = rcg_clk_disable,
 	.set_rate = rcg_clk_set_rate,
 	.set_min_rate = rcg_clk_set_min_rate,
 	.get_rate = rcg_clk_get_rate,
@@ -3046,7 +3046,7 @@
 static struct clk_ops clk_ops_branch = {
 	.enable = branch_clk_enable,
 	.disable = branch_clk_disable,
-	.auto_off = branch_clk_auto_off,
+	.auto_off = branch_clk_disable,
 	.is_enabled = branch_clk_is_enabled,
 	.reset = soc_branch_clk_reset,
 	.set_flags = soc_clk_set_flags,