security-group: add ingress rule for port 9100 for prometheus

In order to allow prometheus monitoring of servers in AWS,
we need to allow traffic on port 9100 for our prometheus
server IPs.

Signed-off-by: Kelley Spoon <kelley.spoon@linaro.org>
Change-Id: Ic1d353d2ea7b3c329ba85c9f4d539f5383fc3a8a
1 file changed