ppc4xx: Change Canyonlands to support booting from 2k page NAND devices

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/amcc/canyonlands/u-boot-nand.lds b/board/amcc/canyonlands/u-boot-nand.lds
index f0837d4..332e3aa 100644
--- a/board/amcc/canyonlands/u-boot-nand.lds
+++ b/board/amcc/canyonlands/u-boot-nand.lds
@@ -56,10 +56,10 @@
     cpu/ppc4xx/start.o	(.text)
 
     /* Align to next NAND block */
-    . = ALIGN(0x4000);
+    . = ALIGN(0x20000);
     common/environment.o  (.ppcenv)
     /* Keep some space here for redundant env and potential bad env blocks */
-    . = ALIGN(0x10000);
+    . = ALIGN(0x80000);
 
     *(.text)
     *(.fixup)