phosphor-ipmi-blobs: Disable building tests

We don't yet use ptest so we are wasting cycles building tests

Change-Id: Icd5cc96ba269581d0e67be3c98c190399beac565
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-blobs_git.bb b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-blobs_git.bb
index 3e2710e..cc96a49 100644
--- a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-blobs_git.bb
+++ b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-blobs_git.bb
@@ -24,3 +24,5 @@
 FILES_${PN}-dev_append = " ${libdir}/ipmid-providers/lib*${SOLIBSDEV} ${libdir}/ipmid-providers/*.la"
 
 HOSTIPMI_PROVIDER_LIBRARY += "libblobcmds.so"
+
+EXTRA_OECONF += "--disable-tests"