iwlwifi: mvm: Fix an error code in iwl_mvm_up()

iwlwifi: mvm: Fix an error code in iwl_mvm_up()

BugLink: https://bugs.launchpad.net/bugs/1969110
[ Upstream commit 583d18336abdfb1b355270289ff8f6a2608ba905 ]

Return -ENODEV instead of success on this error path.

Fixes: dd36a507c806 ("iwlwifi: mvm: look for the first supported channel when add/remove phy ctxt")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210816183930.GA2068@kili
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit a2095c3e0309938379fd15fc74f62661e16a27ff)
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>