ath10k: fix sending wmi cmd during the tdls teardown

The current firmware 10.4-3.5.1-00035 on QCA9888 supports
TDLS explicit mode, it expects WMI_TDLS_ENABLE_PASSIVE
for tdls setup and WMI_TDLS_DISABLE for tdls teardown.

Signed-off-by: Anilkumar Kolli <akolli@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>