riscv: add a variable to control trap management

This variable can be set in a debugger (e.g. Spike)
to finely control which traps go to coreboot and
which go to the supervisor.

Change-Id: I292264c15f002c41cf8d278354d8f4c0efbd0895
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: https://review.coreboot.org/17404
Tested-by: build bot (Jenkins)
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>

0 files changed, 0 insertions, 0 deletions