firmware: ti_sci_static_data: Make file board agnostic

Static DMA channel data for R5 SPL is mostly board agnostic so use SOC
configs instead of EVM specific config to ease adding new board support.

Drop J7200 EVM specific settings as its same as J721e

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>