staging: octeon: ethernet-tx: Fix formatting issue in function header

Fixes the following W=1 kernel build warning(s):

 drivers/staging/octeon/ethernet-tx.c:507: warning: bad line:

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210414181129.1628598-19-lee.jones@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/octeon/ethernet-tx.c

@@ -504,7 +504,6 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
  * cvm_oct_xmit_pow - transmit a packet to the POW
  * @skb:    Packet to send
  * @dev:    Device info structure
-
  * Returns Always returns zero
  */
 int cvm_oct_xmit_pow(struct sk_buff *skb, struct net_device *dev)