Currently spitz_ohci_init() that requests GPIO doesn't have
corresponding spitz_ohci_exit() which will gpio_free(). This causes
minor problems e.g. during resume when the OHCI device can't be resumed.
Signed-off-by: NDmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: NEric Miao <eric.miao@marvell.com>