feat(rcar3): update IPL and Secure Monitor Rev.4.0.0

Update the version to match release versioning scheme.
No functional change.

Signed-off-by: Hieu Nguyen <hieu.nguyen.dn@renesas.com>
Change-Id: Ib481fade925f74dbea1dd2b39c1abfab888379e4
diff --git a/plat/renesas/common/include/rcar_version.h b/plat/renesas/common/include/rcar_version.h
index 5a0ca31..777ec6a 100644
--- a/plat/renesas/common/include/rcar_version.h
+++ b/plat/renesas/common/include/rcar_version.h
@@ -9,7 +9,7 @@
 
 #include <arch_helpers.h>
 
-#define VERSION_OF_RENESAS		"3.0.3"
+#define VERSION_OF_RENESAS		"4.0.0"
 #define VERSION_OF_RENESAS_MAXLEN	128
 
 extern const uint8_t version_of_renesas[VERSION_OF_RENESAS_MAXLEN];