fix(rcar3): change RAM protection configurations

Change RAM protection control not to overwrite the images by DSMAC.

Signed-off-by: Toshiyuki Ogasahara <toshiyuki.ogasahara.bo@hitachi.com>
Signed-off-by: Yoshifumi Hosoya <yoshifumi.hosoya.wj@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Change-Id: I038dc2bf90e721692d392ea4de5441647aa62029
---
Marek: - Move axi DRAM out and merge AXI_SPTCR15 setting into it
       - Set AXI_SPTCR1 from 0x0E000E0EU to 0x0E000000U to let
         TEE pick TFA DT
diff --git a/plat/renesas/rcar/bl2_plat_setup.c b/plat/renesas/rcar/bl2_plat_setup.c
index 6b1d4fc..cf77da2 100644
--- a/plat/renesas/rcar/bl2_plat_setup.c
+++ b/plat/renesas/rcar/bl2_plat_setup.c
@@ -68,6 +68,7 @@
 extern void bl2_enter_bl31(const struct entry_point_info *bl_ep_info);
 extern void bl2_system_cpg_init(void);
 extern void bl2_secure_setting(void);
+extern void bl2_ram_security_setting_finish(void);
 extern void bl2_cpg_init(void);
 extern void rcar_io_emmc_setup(void);
 extern void rcar_io_setup(void);
@@ -1285,6 +1286,11 @@
 #endif
 }
 
+void bl2_el3_plat_prepare_exit(void)
+{
+	bl2_ram_security_setting_finish();
+}
+
 void bl2_platform_setup(void)
 {