tests: drivers: dma: Add MAX32655 board overlay files

Add MAX32655EVKIT and FTHR board overlay files to dma tests.

Co-authored-by: Tahsin Mutlugun <Tahsin.Mutlugun@analog.com>
Co-authored-by: Maureen Helm <maureen.helm@analog.com>
Signed-off-by: Sadik Ozer <sadik.ozer@analog.com>