sh: Update pci config for Renesas r7780mp board

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/include/configs/r7780mp.h b/include/configs/r7780mp.h
index 01b64e6..7738a17 100644
--- a/include/configs/r7780mp.h
+++ b/include/configs/r7780mp.h
@@ -144,6 +144,9 @@
 #define CONFIG_PCI_IO_BUS	0xFE200000	/* IO space base address */
 #define CONFIG_PCI_IO_PHYS	CONFIG_PCI_IO_BUS
 #define CONFIG_PCI_IO_SIZE	0x00200000	/* Size of IO window */
+#define CONFIG_PCI_SYS_PHYS CONFIG_SYS_SDRAM_BASE
+#define CONFIG_PCI_SYS_BUS  CONFIG_SYS_SDRAM_BASE
+#define CONFIG_PCI_SYS_SIZE CONFIG_SYS_SDRAM_SIZE
 #endif /* CONFIG_CMD_PCI */
 
 #if defined(CONFIG_CMD_NET)