arm: add missing writes[bwql], reads[bwql].

ARM defines __raw_writes[bwql], __raw_reads[bwql] in arch io.h
but not the writes[bwql], reads[bwql] needed by some drivers.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 75773bd..9d185a6 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -284,6 +284,13 @@
 #define insw_p(port,to,len)		insw(port,to,len)
 #define insl_p(port,to,len)		insl(port,to,len)
 
+#define writesl(a, d, s)	__raw_writesl((unsigned long)a, d, s)
+#define readsl(a, d, s)		__raw_readsl((unsigned long)a, d, s)
+#define writesw(a, d, s)	__raw_writesw((unsigned long)a, d, s)
+#define readsw(a, d, s)		__raw_readsw((unsigned long)a, d, s)
+#define writesb(a, d, s)	__raw_writesb((unsigned long)a, d, s)
+#define readsb(a, d, s)		__raw_readsb((unsigned long)a, d, s)
+
 /*
  * ioremap and friends.
  *