mako: add earsense gpio to MPM irq wakeup source

earsense gpio is set to wake irq.
if it is not added to MPM irq wakeup source,
it blocks to enter the XO shutdown state.

Change-Id: I46a406c1a2a38668ed952ef368bbbb1066975577
diff --git a/arch/arm/mach-msm/devices-8064.c b/arch/arm/mach-msm/devices-8064.c
index 0fa7f42..b138c4d 100644
--- a/arch/arm/mach-msm/devices-8064.c
+++ b/arch/arm/mach-msm/devices-8064.c
@@ -2246,6 +2246,7 @@
 	[53] = MSM_GPIO_TO_INT(10),
 	[54] = MSM_GPIO_TO_INT(81),
 	[55] = MSM_GPIO_TO_INT(6),
+	[56] = MSM_GPIO_TO_INT(82),
 };
 
 static uint16_t msm_mpm_bypassed_apps_irqs[] __initdata = {