usb: otg: mv_otg: use devm_xxx for probe
usb: otg: mv_otg: use devm_xxx for probe

use devm_xxx for otg driver probe. So we do need care about
the resources release in driver remove or failure handling
in driver probe.

Signed-off-by: Chao Xie <4e92301452ced7a9cf1e5ca194da9c30c818b2d6@marvell.com>
Signed-off-by: Felipe Balbi <94dddeeef08b001e003cce128ddc162a4e2c6cd2@ti.com>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs