nfp: correct names of constants in comments

Documentation in comments lacks CFG in some names.
Signed-off-by: NJakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h

@@ -152,9 +152,9 @@
  * @NFP_NET_CFG_VERSION:     Firmware version number
  * @NFP_NET_CFG_STS:         Status
  * @NFP_NET_CFG_CAP:         Capabilities (same bits as @NFP_NET_CFG_CTRL)
- * @NFP_NET_MAX_TXRINGS:     Maximum number of TX rings
- * @NFP_NET_MAX_RXRINGS:     Maximum number of RX rings
- * @NFP_NET_MAX_MTU:         Maximum support MTU
+ * @NFP_NET_CFG_MAX_TXRINGS: Maximum number of TX rings
+ * @NFP_NET_CFG_MAX_RXRINGS: Maximum number of RX rings
+ * @NFP_NET_CFG_MAX_MTU:     Maximum support MTU
  * @NFP_NET_CFG_START_TXQ:   Start Queue Control Queue to use for TX (PF only)
  * @NFP_NET_CFG_START_RXQ:   Start Queue Control Queue to use for RX (PF only)
  *