fs_enet: Remove !CONFIG_PPC_CPM_NEW_BINDING code

Now that arch/ppc is gone we always define CONFIG_PPC_CPM_NEW_BINDING so
we can remove all the code associated with !CONFIG_PPC_CPM_NEW_BINDING.

Also fixed some asm/of_platform.h to linux/of_platform.h (and of_device.h)

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

include/linux/fs_enet_pd.h

@@ -135,11 +135,7 @@ struct fs_platform_info {
 	u32 device_flags;
 
 	int phy_addr;		/* the phy address (-1 no phy) */
-#ifdef CONFIG_PPC_CPM_NEW_BINDING
 	char bus_id[16];
-#else
-	const char*	bus_id;
-#endif
 	int phy_irq;		/* the phy irq (if it exists)  */
 
 	const struct fs_mii_bus_info *bus_info;