usb: musb: dsps: remove platform callback
usb: musb: dsps: remove platform callback

dsps wrapper is dt only, it cannot execute platform callbacks.
Presence of this would cause NULL dereference, hence remove it.

Signed-off-by: Afzal Mohammed <e2d4496628a80d9d19704e42be4aec0b278f228a@ti.com>
Signed-off-by: Felipe Balbi <94dddeeef08b001e003cce128ddc162a4e2c6cd2@ti.com>

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