spi: pl022: update description of internal_cs_control()

The arguments of internal_cs_control() was changed, but its description
was not updated. Update the description to match the expected arguments.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312151816.munFeE4L-lkp@intel.com/Signed-off-by: Nam Cao <namcao@linutronix.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://msgid.link/r/4036d8d5845c04179f330f83e825a3921aa50c5a.1702639801.git.namcao@linutronix.deSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-pl022.c

@@ -419,7 +419,7 @@ struct chip_data {
 /**
  * internal_cs_control - Control chip select signals via SSP_CSR.
  * @pl022: SSP driver private data structure
- * @command: select/delect the chip
+ * @enable: select/delect the chip
  *
  * Used on controller with internal chip select control via SSP_CSR register
  * (vendor extension). Each of the 5 LSB in the register controls one chip