iwlwifi: dbg: allow wrt collection before ALIVE

[ Upstream commit dfd4b08cf44f27587e2053e006e43a1603328006 ]

Even if no ALIVE was received, the WRT data can still
be collected. Add this.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>