meta-google: add phosphor-ipmi-flash package to image

Add the phosphor-ipmi-flash package to any image that includes the
meta-google layer.

Change-Id: I81380a91e62ee5a37666e6ea271aa11925bfdb01
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 25b614a..e755439 100644
--- a/recipes-phosphor/images/obmc-phosphor-image.bbappend
+++ b/recipes-phosphor/images/obmc-phosphor-image.bbappend
@@ -2,3 +2,4 @@
 OBMC_IMAGE_EXTRA_INSTALL_append = " google-ipmi-i2c"
 OBMC_IMAGE_EXTRA_INSTALL_append = " phosphor-ipmi-blobs"
 OBMC_IMAGE_EXTRA_INSTALL_append = " phosphor-ipmi-ethstats"
+OBMC_IMAGE_EXTRA_INSTALL_append = " phosphor-ipmi-flash"