rse: DMA ICS: Use bitfield setting for CH.TRANSCFG registers

This update improves code readability and provides a reference
implementation for future ICS development. Using the bitfield setting
feature aims to increase robustness and maintainability of ICS
development.

Change-Id: I9a4f7962a0b7c86ebedc3503fb9655b0f4f233d7
Signed-off-by: Gautham Ravichandran <gautham.ravichandran@arm.com>
15 files changed