The endpoint specific locks are replaced with a global lock.
This is crucial for running s3c-hsotg driver on a SMP SoC.
Signed-off-by: NLukasz Majewski <l.majewski@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>