ath10k: remove wmi pending count limit

It is no longer used nor necessary since WMI
commands can block.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --cc drivers/net/wireless/ath/ath10k/core.h
Simple merge

diff --cc drivers/net/wireless/ath/ath10k/mac.c
Simple merge

diff --cc drivers/net/wireless/ath/ath10k/wmi.c
Simple merge

diff --cc drivers/net/wireless/ath/ath10k/wmi.h
Simple merge