CHROMIUM: ath10k: Add debugfs entry to confiugre retry count for non aggregated frames

Add support to configure retry threshold for non aggregated frames
using WMI_10_4_PDEV_PARAM_NON_AGG_SW_RETRY_TH pdev param

Command:
echo N > /sys/kernel/debug/ieee80211/phyX/ath10k/non_aggr_sw_retry_thold

BUG=None
TEST=With this change, we can able to configure the retry count
     for the non-aggregated frames.

Change-Id: Ie2077fc13f2286ce8e444ba2511a3e4e3dffd875
Signed-off-by: Tamizh Chelvam <tamizhr@codeaurora.org>
Signed-off-by: Maharaja Kennadyrajan <mkenna@codeaurora.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/2577084
Tested-by: DHEERAJ KANIYALA MELINAPANJA <dmelinapanja@google.com>
Reviewed-by: Julan Hsu <julanhsu@google.com>
Commit-Queue: Julan Hsu <julanhsu@google.com>
3 files changed