msm7630_surf: Add support for remote spin lock

Use remote spin locks to prevent HLOS & non HLOS processors
to access the ssbi bus concurrently

Change-Id: I6e5722c6f27fd71014fb25ab6ff4f68bddb346bf
diff --git a/platform/msm_shared/smem.h b/platform/msm_shared/smem.h
index e3a1389..0813be3 100644
--- a/platform/msm_shared/smem.h
+++ b/platform/msm_shared/smem.h
@@ -222,6 +222,8 @@
 
 	SMEM_POWER_ON_STATUS_INFO = 403,
 
+	SMEM_RLOCK_AREA = 404,
+
 	SMEM_BOOT_INFO_FOR_APPS = 418,
 
 	SMEM_FIRST_VALID_TYPE = SMEM_SPINLOCK_ARRAY,