Updating Flex Head node MAAS system id

Change-Id: I7fbb2d955e3210808d95a2d19b3bca32e1244072
(cherry picked from commit 6ba5360eb5c9821ac50ff67d45732cb28661be33)
(cherry picked from commit b0fdd380e41504693d1b2647af4c809c13c0ea51)
1 file changed