Enable ibm dbus interfaces in Docker unit test

This commit modifies the docker unit test script to enable
ibm dbus interfaces for generation of corresponding interface
files.

Signed-off-by: Sunny Srivastava <sunnsr25@in.ibm.com>
Change-Id: I9778319b2566bffbb7196e4fb72a17f98e401f1b
diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index 31bca06..dbf4e78 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -423,7 +423,7 @@
 RUN curl -L https://github.com/openbmc/phosphor-dbus-interfaces/archive/${PKG_REV['openbmc/phosphor-dbus-interfaces']}.tar.gz | tar -xz && \
 cd phosphor-dbus-interfaces-* && \
 ./bootstrap.sh && \
-./configure ${CONFIGURE_FLAGS[@]} --enable-openpower-dbus-interfaces && \
+./configure ${CONFIGURE_FLAGS[@]} --enable-openpower-dbus-interfaces --enable-ibm-dbus-interfaces && \
 make -j$(nproc) && \
 make install