meta-google: add google-ipmi-sys to obmc-phosphor-image

Add the google-ipmi-sys package to the obmc-phosphor-image
so that it is installed when this layer is included.

(From meta-google rev: eb12226c53cf875ba8a760d255076e65ac7c1ba5)

Change-Id: I3350fb615e1ad054b09775def7df7572674e5c2d
Signed-off-by: Patrick Venture <venture@google.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-google/recipes-phosphor/images/obmc-phosphor-image.bbappend b/meta-google/recipes-phosphor/images/obmc-phosphor-image.bbappend
new file mode 100644
index 0000000..274f710
--- /dev/null
+++ b/meta-google/recipes-phosphor/images/obmc-phosphor-image.bbappend
@@ -0,0 +1 @@
+OBMC_IMAGE_EXTRA_INSTALL_append = " google-ipmi-sys"