fix(prometheus - lcm): prometheus was using the wron directory because at...

fix(prometheus - lcm): prometheus was using the wron directory because at install lcm changes the hostPath with sed, now prometheus is also included in that change

Change-Id: Ie4bf316c69ac2b344de72b485dfb378849c060e0
Signed-off-by: bravof <fbravo@whitestack.com>