[ARM] pxa/em-x270, cm-x270: use DEEPSLEEP for PM_SUSPEND_MEM

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index 3ff1fec..243e080 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -1215,6 +1215,10 @@
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
 
+#ifdef CONFIG_PM
+	pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
+#endif
+
 	if (machine_is_em_x270())
 		em_x270_module_init();
 	else if (machine_is_exeda())