Add dma350_ns extra test suites

The tests use the DMA350's Channel 1 because that's
set to NS by default in the Corstone310 platform.
The tests use the dma350 driver and library as well.

Change-Id: I1500b97314d8cf0c493bae62acde70c8eba7f525
Signed-off-by: Bence Balogh <bence.balogh@arm.com>
3 files changed