MPC85xx: TQM8548_AG: add 1 GiB DDR2-SDRAM configuration

This patch add support for the 1 GiB DDR2-SDRAM on the TQM8548_AG
module.

Signed-off-by: Jens Gehrlein <sew_s@tqs.de>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
diff --git a/board/tqc/tqm85xx/law.c b/board/tqc/tqm85xx/law.c
index fc92cd8..7e9a2c7 100644
--- a/board/tqc/tqm85xx/law.c
+++ b/board/tqc/tqm85xx/law.c
@@ -66,7 +66,7 @@
 #endif
 
 struct law_entry law_table[] = {
-	SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR),
+	SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_2G, LAW_TRGT_IF_DDR),
 	SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
 	SET_LAW(CONFIG_SYS_LBC_FLASH_BASE, LAW_3_SIZE, LAW_TRGT_IF_LBC),
 	SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI),