RDMA/hw/qib/qib_eeprom: Fix misspelling of 'buff' in 'qib_eeprom_{read,write}()'

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

 drivers/infiniband/hw/qib/qib_eeprom.c:55: warning: Function parameter or member 'buff' not described in 'qib_eeprom_read'
 drivers/infiniband/hw/qib/qib_eeprom.c:55: warning: Excess function parameter 'buffer' description in 'qib_eeprom_read'
 drivers/infiniband/hw/qib/qib_eeprom.c:102: warning: Function parameter or member 'buff' not described in 'qib_eeprom_write'
 drivers/infiniband/hw/qib/qib_eeprom.c:102: warning: Excess function parameter 'buffer' description in 'qib_eeprom_write'

Link: https://lore.kernel.org/r/20210121094519.2044049-9-lee.jones@linaro.org
Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/qib/qib_eeprom.c

@@ -47,7 +47,7 @@
  * qib_eeprom_read - receives bytes from the eeprom via I2C
  * @dd: the qlogic_ib device
  * @eeprom_offset: address to read from
- * @buffer: where to store result
+ * @buff: where to store result
  * @len: number of bytes to receive
  */
 int qib_eeprom_read(struct qib_devdata *dd, u8 eeprom_offset,
@@ -94,7 +94,7 @@ static int eeprom_write_with_enable(struct qib_devdata *dd, u8 offset,
  * qib_eeprom_write - writes data to the eeprom via I2C
  * @dd: the qlogic_ib device
  * @eeprom_offset: where to place data
- * @buffer: data to write
+ * @buff: data to write
  * @len: number of bytes to write
  */
 int qib_eeprom_write(struct qib_devdata *dd, u8 eeprom_offset,