add phosphor-ipmi-blobs package to CI

The CI requires OpenBMC libraries or packages to be explicitly defined
for inclusion.  Add the phosphor-ipmi-blobs package as there are
packages that build against it.

Change-Id: I9ff92792969e299461fe97d1adc8f10bdc3e28b3
Signed-off-by: Patrick Venture <venture@google.com>
1 file changed