usb: gadget: u_bam: Enable zero length packet for tx transfers

Avoid packet re-transmission/drop by sending zero length packet
when usb transfer is multiple of usb endpoint max packet size.

CRs-Fixed: 494184
Change-Id: I01c9f9be41d3b64760e9bc08ec82ef8b6cc1a80f
Signed-off-by: Rajkumar Raghupathy <raghup@codeaurora.org>
Revert "msm: kgsl: Make use of performance counter for A2xx."

This reverts commit 3493b669c765dd6a461c6abc179d8168589c03c4

Change-Id: Ic388f1c721e1326dca5b6ef8cb0b3310271b1225
Merge "Revert "msm: kgsl: Make use of performance counter for A2xx.""
Merge "usb: gadget: u_bam: Enable zero length packet for tx transfers"