[ARM] Convert asm/io.h to linux/io.h

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mm/iomap.c

@@ -7,8 +7,7 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/ioport.h>
-
-#include <asm/io.h>
+#include <linux/io.h>
 
 #ifdef __io
 void __iomem *ioport_map(unsigned long port, unsigned int nr)