85xx: Bump up the BOOTMAP to 16M on FSL 85xx boards

We have always mapped at least 16M in the kernel and we have seen cases
with new kernel features that a kernel image needs more than 8M of
memory.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/configs/MPC8541CDS.h b/include/configs/MPC8541CDS.h
index 813512c..a8f206f 100644
--- a/include/configs/MPC8541CDS.h
+++ b/include/configs/MPC8541CDS.h
@@ -440,10 +440,10 @@
 
 /*
  * For booting Linux, the board info and command line data
- * have to be in the first 8 MB of memory, since this is
+ * have to be in the first 16 MB of memory, since this is
  * the maximum mapped by the Linux kernel during initialization.
  */
-#define CONFIG_SYS_BOOTMAPSZ	(8 << 20)	/* Initial Memory map for Linux*/
+#define CONFIG_SYS_BOOTMAPSZ	(16 << 20)	/* Initial Memory map for Linux*/
 
 /*
  * Internal Definitions