ucc_geth: kill unused include

The ucc_geth_mii code is based on the gianfar_mii code that use to include
ocp.h.  ucc never need this and it causes issues when we want to kill
arch/ppc includes from arch/powerpc.

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

drivers/net/ucc_geth_mii.c

@@ -32,7 +32,6 @@
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
-#include <asm/ocp.h>
 #include <linux/crc32.h>
 #include <linux/mii.h>
 #include <linux/phy.h>