ppc4xx: Enable NOR flash support in sequoia_ramboot target

Until now, the Sequoia RAM-booting image disabled NOR flash support
as this image was mainly created for NAND-only boards. This patch
now enables NOR flash support for this RAM-booting version as well.

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c
index c523bca..b518aa7 100644
--- a/board/amcc/sequoia/sequoia.c
+++ b/board/amcc/sequoia/sequoia.c
@@ -155,7 +155,8 @@
 	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
 	gd->bd->bi_flashoffset = 0;
 
-#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) || \
+    defined(CONFIG_SYS_RAMBOOT)
 	mtdcr(EBC0_CFGADDR, PB3CR);
 #else
 	mtdcr(EBC0_CFGADDR, PB0CR);
@@ -163,7 +164,8 @@
 	pbcr = mfdcr(EBC0_CFGDATA);
 	size_val = ffs(gd->bd->bi_flashsize) - 21;
 	pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
-#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) || \
+    defined(CONFIG_SYS_RAMBOOT)
 	mtdcr(EBC0_CFGADDR, PB3CR);
 #else
 	mtdcr(EBC0_CFGADDR, PB0CR);