Blackfin arch: cleanup warnings from checkpatch -- no functional changes

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/arch/blackfin/oprofile/common.c b/arch/blackfin/oprofile/common.c
index 009a170..cb8b8d5 100644
--- a/arch/blackfin/oprofile/common.c
+++ b/arch/blackfin/oprofile/common.c
@@ -33,12 +33,12 @@
 #include <linux/smp.h>
 #include <linux/errno.h>
 #include <linux/mutex.h>
+#include <linux/ptrace.h>
+#include <linux/irq.h>
+#include <linux/io.h>
 
-#include <asm/ptrace.h>
 #include <asm/system.h>
 #include <asm/blackfin.h>
-#include <asm/irq.h>
-#include <asm/io.h>
 
 #include "op_blackfin.h"