CHROMIUM: ath10k: check data ack rssi enabled/disabled in htt rx event

For all data packets trasmmited, host gets htt tx completion event.
QCA9984 firmware gives data ack rssi values to host through
htt event of data tx completion. Data ack rssi vaules are
valid if A0 bit is set in HTT rx message.

BUG=b:132147953
TEST=None

Change-Id: I629caa38dc0fea212c47ae87339bfe0cf44ac9d7
Signed-off-by: Balaji Pothunoori <bpothuno@codeaurora.org>
Signed-off-by: Vamsi Singamsetty <vamssi@codeaurora.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/1695223


Reviewed-by: Julan Hsu <julanhsu@google.com>
Tested-by: Julan Hsu <julanhsu@google.com>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>