[POWERPC] 4xx: Adds decoding of 440SPE memory size to boot wrapper library

This adds a function to the bootwrapper 4xx library to decode memory
size on 440SPE processors.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
diff --git a/arch/powerpc/boot/bamboo.c b/arch/powerpc/boot/bamboo.c
index e634359..a6146d9 100644
--- a/arch/powerpc/boot/bamboo.c
+++ b/arch/powerpc/boot/bamboo.c
@@ -31,7 +31,7 @@
 	unsigned long sysclk = 33333333;
 
 	ibm440ep_fixup_clocks(sysclk, 11059200);
-	ibm4xx_fixup_memsize();
+	ibm4xx_sdram_fixup_memsize();
 	ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
 	dt_fixup_mac_addresses(bamboo_mac0, bamboo_mac1);
 }