devlink: add documentation for generic devlink parameters

A few generic devlink parameters have been added, but never documented.
Fix that now.
Signed-off-by: NJacob Keller <jacob.e.keller@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Documentation/networking/devlink/devlink-params.rst

@@ -88,3 +88,14 @@ own name.
    * - ``enable_roce``
      - Boolean
      - Enable handling of RoCE traffic in the device.
+   * - ``internal_err_reset``
+     - Boolean
+     - When enabled, the device driver will reset the device on internal
+       errors.
+   * - ``max_macs``
+     - u32
+     - Specifies the maximum number of MAC addresses per ethernet port of
+       this device.
+   * - ``region_snapshot_enable``
+     - Boolean
+     - Enable capture of ``devlink-region`` snapshots.