ti: am335x: Fix the U-Boot binary output

This should include the hash so that image_binary_size is really at the
end of the image, and not some 300 bytes earlier.

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

board/ti/am335x/u-boot.lds

@@ -78,6 +78,8 @@ SECTIONS
 		*(.__rel_dyn_end)
 	}
 
+	.hash : { *(.hash*) }
+
 	.end :
 	{
 		*(.__end)
@@ -118,7 +120,6 @@ SECTIONS
 	.dynbss : { *(.dynbss) }
 	.dynstr : { *(.dynstr*) }
 	.dynamic : { *(.dynamic*) }
-	.hash : { *(.hash*) }
 	.gnu.hash : { *(.gnu.hash) }
 	.plt : { *(.plt*) }
 	.interp : { *(.interp*) }