sanitycheck: Add TSIM3 support

TSIM3 is a LEON processor and system simulator.

This commit allows using TSIM sanitycheck and the make run target.

TSIM parameters can be further specified in the board configuration
using TSIM and TSIM_SYS.

Signed-off-by: Martin Åberg <martin.aberg@gaisler.com>
3 files changed