usb: gadget: bdc: fix checkpatch.pl repeated word warning

fix the warning:
WARNING:REPEATED_WORD: Possible repeated word: 'and'

Cc: Florian Fainelli <[e-mail]>
Acked-by: Florian Fainelli <[e-mail]>
Acked-by: Felipe Balbi <[e-mail]>
Signed-off-by: Chunfeng Yun <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/gadget/udc/bdc/bdc_ep.c

···
 }
 
 /*
- * Queue a 0 byte bd only if wLength is more than the length and and length is
+ * Queue a 0 byte bd only if wLength is more than the length and length is
  * a multiple of MaxPacket then queue 0 byte BD
  */
 static int ep0_queue_zlp(struct bdc *bdc)