usb: musb: dsps: just start polling already
usb: musb: dsps: just start polling already

there's no need to fake an IRQ, just check
if VBUS is valid already.

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

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs