Align end of bss by 4 bytes

Most of the bss initialization loop increments 4 bytes
at a time. And the loop end is checked for an 'equal'
condition. Make the bss end address aligned by 4, so
that the loop will end as expected.

Signed-off-by: Selvamuthukumar <selva.muthukumar@e-coninfotech.com>
Signed-off-by: Wolfgang Denk <wd@denx.de>

board/dbau1x00/u-boot.lds

@@ -65,6 +65,6 @@ SECTIONS
 
 	. = ALIGN(4);
 	.sbss (NOLOAD)  : { *(.sbss) }
-	.bss (NOLOAD)  : { *(.bss) }
+	.bss (NOLOAD)  : { *(.bss) . = ALIGN(4); }
 	uboot_end = .;
 }