spi: spi-zynq-qspi: Add description for 2 missing attributes/parameters

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

 drivers/spi/spi-zynq-qspi.c:143: warning: Function parameter or member 'dev' not described in 'zynq_qspi'
 drivers/spi/spi-zynq-qspi.c:334: warning: Function parameter or member 'spi' not described in 'zynq_qspi_config_op'
 drivers/spi/spi-zynq-qspi.c:334: warning: Excess function parameter 'qspi' description in 'zynq_qspi_config_op'

Signed-off-by: Lee Jones <[email protected]>
Reviewed-by: Michal Simek <[email protected]>
Cc: Sureshkumar Relli <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: Lee Jones

drivers/spi/spi-zynq-qspi.c

@@ -119,6 +119,7 @@
 
 /**
  * struct zynq_qspi - Defines qspi driver instance
+ * @dev:		Pointer to the this device's information
  * @regs:		Virtual address of the QSPI controller registers
  * @refclk:		Pointer to the peripheral clock
  * @pclk:		Pointer to the APB clock
@@ -316,7 +317,7 @@ static void zynq_qspi_chipselect(struct spi_device *spi, bool assert)
 /**
  * zynq_qspi_config_op - Configure QSPI controller for specified transfer
  * @xqspi:	Pointer to the zynq_qspi structure
- * @qspi:	Pointer to the spi_device structure
+ * @spi:	Pointer to the spi_device structure
  *
  * Sets the operational mode of QSPI controller for the next QSPI transfer and
  * sets the requested clock frequency.