msm: clock-local: Increase wait timeout for halt check

Some clocks take longer than 100us to switch halt states. This is
especially true if the clock is running in the KHz range.
Increase the timeout to accommodate these clocks.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/arch/arm/mach-msm/clock-local.c b/arch/arm/mach-msm/clock-local.c
index 7696c41..92132b2 100644
--- a/arch/arm/mach-msm/clock-local.c
+++ b/arch/arm/mach-msm/clock-local.c
@@ -41,7 +41,7 @@
  * When enabling/disabling a clock, check the halt bit up to this number
  * number of times (with a 1 us delay in between) before continuing.
  */
-#define HALT_CHECK_MAX_LOOPS	100
+#define HALT_CHECK_MAX_LOOPS	200
 /* For clock without halt checking, wait this long after enables/disables. */
 #define HALT_CHECK_DELAY_US	10