mx31ads: Fix the U-Boot binary output

Correct the binary output so that image_binary_size is really at the
end of the image.

Signed-off-by: Simon Glass <sjg@chromium.org>

board/freescale/mx31ads/u-boot.lds

@@ -70,6 +70,8 @@ SECTIONS
 		*(.__rel_dyn_end)
 	}
 
+	.hash : { *(.hash*) }
+
 	.end :
 	{
 		*(.__end)
@@ -100,7 +102,7 @@ SECTIONS
 	.dynbss : { *(.dynbss) }
 	.dynstr : { *(.dynstr*) }
 	.dynamic : { *(.dynamic*) }
-	.hash : { *(.hash*) }
+	.gnu.hash : { *(.gnu.hash) }
 	.plt : { *(.plt*) }
 	.interp : { *(.interp*) }
 	.gnu : { *(.gnu*) }