dmaengine: fsl-edma: use _Generic to handle difference type

Introduce the use of C11 standard _Generic in the fsl-edma driver for
handling different TCD field types. Improve code clarity and help
compiler optimization.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240425205947.3436501-2-Frank.Li@nxp.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>