Fix Sparse warnings

[Hardevsinh Palaniya <hardevsinh.palaniya@xxxxxxxxxxxxxxxxx>]

Change in v2:

in patch 2/2:
	- Use ioread32be instead of readl
	- Use iowrite32be instead of writel

Note: Drop 2 patches(patch 2/4 & 4/4) from the last version
link to v1: https://lore.kernel.org/linux-spi/20240927132944.19285-1-hardevsinh.palaniya@xxxxxxxxxxxxxxxxx/T/#t

Hardevsinh Palaniya (2):
  spi: spi-fsl-dspi: Fix casting warnings
  spi: spi-imx: Fix casting warnings

 drivers/spi/spi-fsl-dspi.c | 8 ++++----
 drivers/spi/spi-imx.c      | 5 ++---
 2 files changed, 6 insertions(+), 7 deletions(-)

-- 
2.43.0