wifi: iwlwifi: mvm: unlock mvm if there is no primary link

At that point in the code mvm->mutex has already been taken, so jump to
out_noreset in order to unlock before returning the error.

Fixes: 8c9bef26

 ("wifi: iwlwifi: mvm: d3: implement suspend with MLO")
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240218194912.21de6e68d9e5.I3c0ebe577dec6b26ab6b4eac48035d6f35a8b0f8@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>