spi: spi-meson-spifc: Fix misdocumenting of 'dev' in 'struct meson_spifc'

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

 drivers/spi/spi-meson-spifc.c:80: warning: Function parameter or member 'dev' not described in 'meson_spifc'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Beniamino Galvani <b.galvani@gmail.com>
Cc: linux-amlogic@lists.infradead.org
Link: https://lore.kernel.org/r/20200717135424.2442271-6-lee.jones@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-meson-spifc.c

@@ -70,7 +70,7 @@
  * @master:	the SPI master
  * @regmap:	regmap for device registers
  * @clk:	input clock of the built-in baud rate generator
- * @device:	the device structure
+ * @dev:	the device structure
  */
 struct meson_spifc {
 	struct spi_master *master;