iwlwifi: dbg: force stop the debug monitor HW

[ Upstream commit 990aba28f5001f6e90fdd84e13612b560a75deda ]

The driver is required to stop the debug monitor HW recording regardless
of the debug configuration since the driver is responsible to halt the
FW DBGC.

Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>