spi: dw: Remove misleading comment for Mount Evans SoC

Remove a misleading comment about the DMA operations of the Intel Mount
Evans SoC's SPI Controller as requested by Serge.

Signed-off-by: Abe Kohandel <abe.kohandel@intel.com>
Link: https://lore.kernel.org/linux-spi/20230606191333.247ucbf7h3tlooxf@mobilestation/
Fixes: 0760d5d ("spi: dw: Add compatible for Intel Mount Evans SoC")
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20230606231844.726272-1-abe.kohandel@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Abe Kohandel

drivers/spi/spi-dw-mmio.c

@@ -237,14 +237,7 @@ static int dw_spi_intel_init(struct platform_device *pdev,
 }
 
 /*
- * The Intel Mount Evans SoC's Integrated Management Complex uses the
- * SPI controller for access to a NOR SPI FLASH. However, the SoC doesn't
- * provide a mechanism to override the native chip select signal.
- *
- * This driver doesn't use DMA for memory operations when a chip select
- * override is not provided due to the native chip select timing behavior.
- * As a result no DMA configuration is done for the controller and this
- * configuration is not tested.
+ * DMA-based mem ops are not configured for this device and are not tested.
  */
 static int dw_spi_mountevans_imc_init(struct platform_device *pdev,
 				      struct dw_spi_mmio *dwsmmio)