usb: musb: clear AUTOSET while clearing DMAENAB
usb: musb: clear AUTOSET while clearing DMAENAB

On the completion of tx dma, dma is disabled by clearing MUSB_TXCSR_DMAENAB in
TXCSR. If MUSB_TXCSR_AUTOSET was set in txstate() it will remain set although
it is not needed in PIO mode. Clear it as soon as it is not needed.

Signed-off-by: Mian Yousaf Kaukab <3c913fb37916201badfdf15bf15744ae86bdd375@stericsson.com>
Signed-off-by: Felipe Balbi <94dddeeef08b001e003cce128ddc162a4e2c6cd2@ti.com>

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