
Adds minimal device tree for Analog Devices' SC573-EZKIT board and common files for the SC57x/SC5xx family. This also adds all sc5* devicetrees to ARM SC5XX in MAINTAINERS, and adds the ADSP Linux mailing list as the list for ARM SC5XX. Co-developed-by: Greg Malysa <greg.malysa@timesys.com> Signed-off-by: Greg Malysa <greg.malysa@timesys.com> Co-developed-by: Nathan Barrett-Morrison <nathan.morrison@timesys.com> Signed-off-by: Nathan Barrett-Morrison <nathan.morrison@timesys.com> Signed-off-by: Oliver Gaskell <Oliver.Gaskell@analog.com>