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>
diff --git a/scripts/unit-test.py b/scripts/unit-test.py
index 12537f9..378e7db 100755
--- a/scripts/unit-test.py
+++ b/scripts/unit-test.py
@@ -463,6 +463,7 @@
         'AC_CHECK_LIB': {'mapper': 'phosphor-objmgr'},
         'AC_CHECK_HEADER': {
             'host-ipmid': 'phosphor-host-ipmid',
+            'blobs-ipmid': 'phosphor-ipmi-blobs',
             'sdbusplus': 'sdbusplus',
             'sdeventplus': 'sdeventplus',
             'gpioplus': 'gpioplus',