platform: msm8952: Use correct rpmb receive buffer address.

rpmb receive buffer address is different, for devices with 512MB DDR
memory configuration. Change ensures, we use correct address.

Change-Id: I53185124ad7ef2699580e0cbe6be4366bbd7147c
diff --git a/include/platform.h b/include/platform.h
index 6965c5a..55fd39e 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -91,4 +91,5 @@
 bool platform_is_glink_enabled();
 bool platform_is_mdm9206();
 int is_vb_le_enabled();
+void* get_rpmb_snd_rcv_buff();
 #endif