ARM: OMAP: SMS: save/restore of SMS_SYSCONFIG for off-mode

The SMS_SYSCONFIG register gets reset in off mode, added a
save/restore mechanism for that.

Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi@digia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index a9f4034..90d1dc5 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -399,6 +399,7 @@
 			omap3_core_restore_context();
 			omap3_prcm_restore_context();
 			omap3_sram_restore_context();
+			omap2_sms_restore_context();
 		}
 		if (per_next_state < PWRDM_POWER_ON) {
 			per_prev_state =