[ARM] pxa: shut up CLOCK_EVT_MODE_RESUME warning

Resolve:
  CC      arch/arm/mach-pxa/time.o
arch/arm/mach-pxa/time.c: In function `pxa_osmr0_set_mode':
arch/arm/mach-pxa/time.c:154: warning: enumeration value `CLOCK_EVT_MODE_RESUME' not handled in switch
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-pxa/time.c

@@ -151,6 +151,9 @@ pxa_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *dev)
 		OIER &= ~OIER_E0;
 		raw_local_irq_restore(irqflags);
 		break;
+
+	case CLOCK_EVT_MODE_RESUME:
+		break;
 	}
 }