userspace/monit: add conf files for hal, rtud and ppsi

When hal crash, monit will trigger rtud and ppsi to restart.
When rtud or ppsi crash, only crashed process will be restarted.

Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

userspace/rootfs_override/etc/monit.d/hald.conf

+ check process wrsw_hal matching /wr/bin/wrsw_hal
+   start program = "/etc/init.d/hald.sh start"
+   stop program = "/etc/init.d/hald.sh stop"
+   if 5 restarts within 10 cycles then exec "/etc/init.d/reboot.sh hald"

userspace/rootfs_override/etc/monit.d/ppsi.conf

+ check process ppsi matching /wr/bin/ppsi
+   start program = "/etc/init.d/ppsi.sh start"
+   stop program = "/etc/init.d/ppsi.sh stop"
+   if 5 restarts within 10 cycles then exec "/etc/init.d/reboot.sh ppsi"
+   depends on wrsw_hal

userspace/rootfs_override/etc/monit.d/rtud.conf

+ check process wrsw_rtud matching /wr/bin/wrsw_rtud
+   start program = "/etc/init.d/rtud.sh start"
+   stop program = "/etc/init.d/rtud.sh stop"
+   if 5 restarts within 10 cycles then exec "/etc/init.d/reboot.sh rtud"
+   depends on wrsw_hal