iwlwifi: pcie: refactor dev_info lookup

The large condition here is not very clear, refactor the code to
a separate function where we can more easily just check each of
the pieces separately.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211024165252.ef06ed58a26e.Ie9664a94b157c5781c481118d900ae428c26fdb3@changeid


Signed-off-by: Luca Coelho <luciano.coelho@intel.com>