meta-google: gbmc-bridge: add udev and bridging mapping

This CL adds support for bridging ethernet devices to gbmcbr and
interface renaming based on the dev address.

Change-Id: Ibc5fc8e0426e117191574553b36ea59a6735b91c
Signed-off-by: Yuxiao Zhang <yuxiaozhang@google.com>
diff --git a/meta-google/recipes-phosphor/images/obmc-phosphor-image.bbappend b/meta-google/recipes-phosphor/images/obmc-phosphor-image.bbappend
index 8627011..207e7c5 100644
--- a/meta-google/recipes-phosphor/images/obmc-phosphor-image.bbappend
+++ b/meta-google/recipes-phosphor/images/obmc-phosphor-image.bbappend
@@ -18,6 +18,8 @@
   '${@"" if not d.getVar("GBMC_NCSI_IF_NAME") else " gbmc-ncsi-config"}'
 OBMC_IMAGE_EXTRA_INSTALL:append:gbmc = \
   '${@"" if not d.getVar("GBMC_MAC_EEPROM_OF_NAME") else " gbmc-mac-config"}'
+OBMC_IMAGE_EXTRA_INSTALL:append:gbmc = \
+  '${@"" if not d.getVar("GBMC_ETHER_MAP") else " gbmc-nic-rename"}'
 
 # Include these useful utilities for all gbmc platforms
 OBMC_IMAGE_EXTRA_INSTALL:append:gbmc = " ipmitool"