[AVR32] Don't include <asm/delay.h>

Include <linux/delay.h> instead of <asm/delay.h> from a few places.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

arch/avr32/kernel/avr32_ksyms.c

@@ -7,12 +7,12 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
+#include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/module.h>
 
 #include <asm/checksum.h>
 #include <asm/uaccess.h>
-#include <asm/delay.h>
 
 /*
  * GCC functions

arch/avr32/lib/delay.c

@@ -14,7 +14,6 @@
 #include <linux/module.h>
 #include <linux/types.h>
 
-#include <asm/delay.h>
 #include <asm/processor.h>
 #include <asm/sysreg.h>