rcar_gen3: plat: Add initial D3 support

Add R-Car D3 SoC platform specifics. Driver, PFC, QoS, DDR init code
will be added separately.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
diff --git a/plat/renesas/rcar/include/platform_def.h b/plat/renesas/rcar/include/platform_def.h
index 934b2dc..9f071bc 100644
--- a/plat/renesas/rcar/include/platform_def.h
+++ b/plat/renesas/rcar/include/platform_def.h
@@ -103,14 +103,14 @@
 /* Put BL2 just below BL3-1. BL2_BASE is calculated using the current BL2 debug
  * size plus a little space for growth. */
 #define RCAR_SYSRAM_BASE		U(0xE6300000)
-#if RCAR_LSI == RCAR_E3
+#if (RCAR_LSI == RCAR_E3) || (RCAR_LSI == RCAR_D3)
 #define BL2_LIMIT			U(0xE6320000)
 #else
 #define BL2_LIMIT			U(0xE6360000)
 #endif
 
 #define BL2_BASE			U(0xE6304000)
-#if RCAR_LSI == RCAR_E3
+#if (RCAR_LSI == RCAR_E3) || (RCAR_LSI == RCAR_D3)
 #define BL2_IMAGE_LIMIT			U(0xE6318000)
 #else
 #define BL2_IMAGE_LIMIT			U(0xE632E800)