usb: dwc3: ep0: simplify error handling on dwc3_ep0_inspect_setup
usb: dwc3: ep0: simplify error handling on dwc3_ep0_inspect_setup

There's no need for returning early. Instead,
we can call dwc3_ep0_stall_and_restart()
conditionally.

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

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