stmmac: drop custom_* fields from plat_stmmacenet_data

Both of these fields are unused and has been unused since they
were added 3 and 5 years ago. Drop them since they are clearly
not very useful.
Signed-off-by: NJoachim Eastwood <manabian@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Documentation/networking/stmmac.txt

@@ -139,8 +139,6 @@ struct plat_stmmacenet_data {
 	void (*free)(struct platform_device *pdev, void *priv);
 	int (*init)(struct platform_device *pdev, void *priv);
 	void (*exit)(struct platform_device *pdev, void *priv);
-	void *custom_cfg;
-	void *custom_data;
 	void *bsp_priv;
 };
 
@@ -186,8 +184,6 @@ Where:
 	     which will be stored in bsp_priv, and then passed to init and
 	     exit callbacks. init/exit callbacks should not use or modify
 	     platform data.
- o custom_cfg/custom_data: this is a custom configuration that can be passed
-			   while initializing the resources.
  o bsp_priv: another private pointer.
 
 For MDIO bus The we have:

include/linux/stmmac.h

@@ -123,8 +123,6 @@ struct plat_stmmacenet_data {
 	void (*free)(struct platform_device *pdev, void *priv);
 	int (*init)(struct platform_device *pdev, void *priv);
 	void (*exit)(struct platform_device *pdev, void *priv);
-	void *custom_cfg;
-	void *custom_data;
 	void *bsp_priv;
 };