wifi: ath: fix repeated words in comments

Delete the redundant word 'have'.
Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220709124036.49674-1-yuanjilin@cdjrlc.com

drivers/net/wireless/ath/hw.c

@@ -48,7 +48,7 @@
  * the MAC address to obtain the relevant bits and compare the result with
  * (frame's BSSID & mask) to see if they match.
  *
- * Simple example: on your card you have have two BSSes you have created with
+ * Simple example: on your card you have two BSSes you have created with
  * BSSID-01 and BSSID-02. Lets assume BSSID-01 will not use the MAC address.
  * There is another BSSID-03 but you are not part of it. For simplicity's sake,
  * assuming only 4 bits for a mac address and for BSSIDs you can then have: