modules: tf-m: Add defines for the NRF53 RPMSG region

Add defines for the NRF53 RPMSG region for TF-M so that
it can configure the region as non secure.

Signed-off-by: Georgios Vasilakis <[email protected]>

Author: Vge0rge

modules/trusted-firmware-m/tfm_boards/partition/region_defs.h

@@ -170,4 +170,9 @@
 #define REGION_PCD_SRAM_LIMIT       PM_PCD_SRAM_END_ADDRESS - 1
 #endif
 
+#ifdef PM_RPMSG_NRF53_SRAM_ADDRESS
+#define REGION_RPMSG_NRF53_SRAM_ADDRESS     PM_RPMSG_NRF53_SRAM_ADDRESS
+#define REGION_RPMSG_NRF53_SRAM_LIMIT       PM_RPMSG_NRF53_SRAM_END_ADDRESS - 1
+#endif
+
 #endif /* __REGION_DEFS_H__ */