net: stmmac: include linux/io.h rather than asm/io.h

Include linux/io.h instead of asm/io.h since linux/ includes are
preferred.
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/E1sCEre-00EOQ3-SR@rmk-PC.armlinux.org.ukSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c

@@ -15,7 +15,7 @@
 #include <linux/crc32.h>
 #include <linux/slab.h>
 #include <linux/ethtool.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include "stmmac.h"
 #include "stmmac_pcs.h"
 #include "dwmac1000.h"

drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c

@@ -12,7 +12,7 @@
   Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
 *******************************************************************************/
 
-#include <asm/io.h>
+#include <linux/io.h>
 #include "dwmac1000.h"
 #include "dwmac_dma.h"
 

drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c

@@ -15,7 +15,7 @@
 *******************************************************************************/
 
 #include <linux/crc32.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include "stmmac.h"
 #include "dwmac100.h"
 

drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c

@@ -14,7 +14,7 @@
   Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
 *******************************************************************************/
 
-#include <asm/io.h>
+#include <linux/io.h>
 #include "dwmac100.h"
 #include "dwmac_dma.h"
 

drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c

@@ -11,10 +11,10 @@
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>
 #include <linux/interrupt.h>
+#include <linux/io.h>
 #include <linux/mii.h>
 #include <linux/phylink.h>
 #include <linux/net_tstamp.h>
-#include <asm/io.h>
 
 #include "stmmac.h"
 #include "dwmac_dma.h"