Add a kernel module to facilitate softlockup and watchdog basic function test. Interface added: /sys/kernel/debug/fire_softlockup_reset /sys/kernel/debug/fire_watchdog_reset Change-Id: If6e48ff51caa89c04d86a08ba651fffa1f12e635 Signed-off-by: Hong-Mei Li <a21834@motorola.com> Reviewed-on: https://gerrit.mot.com/910232 SLTApproved: Slta Waiver <sltawvr@motorola.com> SME-Granted: SME Approvals Granted Tested-by: Jira Key <jirakey@motorola.com> Reviewed-by: Qing Chang <qing@motorola.com> Submit-Approved: Jira Key <jirakey@motorola.com>