iavf: fix comments about old bit locks

Bit lock __IAVF_IN_CRITICAL_TASK does not exist anymore since commit
5ac49f3c ("iavf: use mutexes for locking of critical sections").
Adjust the comments accordingly.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20231027175941.1340255-2-jacob.e.keller@intel.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/intel/iavf/iavf_main.c

@@ -1276,7 +1276,7 @@ static void iavf_configure(struct iavf_adapter *adapter)
  * iavf_up_complete - Finish the last steps of bringing up a connection
  * @adapter: board private structure
  *
- * Expects to be called while holding the __IAVF_IN_CRITICAL_TASK bit lock.
+ * Expects to be called while holding crit_lock.
  **/
 static void iavf_up_complete(struct iavf_adapter *adapter)
 {
@@ -1400,7 +1400,7 @@ static void iavf_clear_adv_rss_conf(struct iavf_adapter *adapter)
  * iavf_down - Shutdown the connection processing
  * @adapter: board private structure
  *
- * Expects to be called while holding the __IAVF_IN_CRITICAL_TASK bit lock.
+ * Expects to be called while holding crit_lock.
  **/
 void iavf_down(struct iavf_adapter *adapter)
 {