meta-google: add google-ipmi-i2c to obmc-phosphor-image

Add the google-ipmi-i2c package to the obmc-phosphor-image so that it is
installed when this layer is included.

Tested: Built by adding meta-google to quanta-q71l and verified
library installed.
Change-Id: I4ed80660ec03d7d5ac5549714e2a52612b0886ae
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/recipes-phosphor/images/obmc-phosphor-image.bbappend b/recipes-phosphor/images/obmc-phosphor-image.bbappend
index 51d372a..25b614a 100644
--- a/recipes-phosphor/images/obmc-phosphor-image.bbappend
+++ b/recipes-phosphor/images/obmc-phosphor-image.bbappend
@@ -1,3 +1,4 @@
 OBMC_IMAGE_EXTRA_INSTALL_append = " google-ipmi-sys"
+OBMC_IMAGE_EXTRA_INSTALL_append = " google-ipmi-i2c"
 OBMC_IMAGE_EXTRA_INSTALL_append = " phosphor-ipmi-blobs"
 OBMC_IMAGE_EXTRA_INSTALL_append = " phosphor-ipmi-ethstats"