net: calxedaxgmac: Fix typo (doubled "the")

Fix a doubled word in the comment above xgmac_poll.

Signed-off-by: Jonathan Neuschäfer <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/ethernet/calxeda/xgmac.c

···
  *  @budget : maximum number of packets that the current CPU can receive from
  *	      all interfaces.
  *  Description :
- *   This function implements the the reception process.
+ *   This function implements the reception process.
  *   Also it runs the TX completion thread
  */
 static int xgmac_poll(struct napi_struct *napi, int budget)