net: Drop dm.h header file from phy.h

This header file should not be included in other header files. Remove it
and use other headers and C inclusions instead.

Signed-off-by: Simon Glass <sjg@chromium.org>

cmd/mdio.c

@@ -10,6 +10,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <dm.h>
 #include <miiphy.h>
 #include <phy.h>
 

cmd/mii.c

@@ -10,6 +10,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <dm.h>
 #include <miiphy.h>
 
 typedef struct _MII_field_desc_t {

include/dm/read.h

@@ -11,6 +11,7 @@
 
 #include <linux/errno.h>
 
+#include <dm/device.h>
 #include <dm/fdtaddr.h>
 #include <dm/ofnode.h>
 #include <dm/uclass.h>

include/phy.h

@@ -9,14 +9,17 @@
 #ifndef _PHY_H
 #define _PHY_H
 
-#include <dm.h>
+#include <log.h>
+#include <phy_interface.h>
+#include <dm/ofnode.h>
+#include <dm/read.h>
 #include <linux/errno.h>
 #include <linux/list.h>
 #include <linux/mii.h>
 #include <linux/ethtool.h>
 #include <linux/mdio.h>
-#include <log.h>
-#include <phy_interface.h>
+
+struct udevice;
 
 #define PHY_FIXED_ID		0xa5a55a5a
 #define PHY_NCSI_ID            0xbeefcafe

include/phy_interface.h

@@ -10,6 +10,8 @@
 #ifndef _PHY_INTERFACE_H
 #define _PHY_INTERFACE_H
 
+#include <string.h>
+
 typedef enum {
 	PHY_INTERFACE_MODE_MII,
 	PHY_INTERFACE_MODE_GMII,

net/eth_legacy.c

@@ -8,6 +8,7 @@
 #include <common.h>
 #include <bootstage.h>
 #include <command.h>
+#include <dm.h>
 #include <env.h>
 #include <log.h>
 #include <net.h>