bnxt_en: Update bnxt.rst devlink documentation

Add 'enable_remote_dev_reset' documentation to bnxt.rst.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/networking/devlink/bnxt.rst

@@ -22,6 +22,8 @@ Parameters
      - Permanent
    * - ``msix_vec_per_pf_min``
      - Permanent
+   * - ``enable_remote_dev_reset``
+     - Runtime
 
 The ``bnxt`` driver also implements the following driver-specific
 parameters.