meta-google: obmc-phosphor-image: Add iperf3

Change-Id: I56abfee5270d63e8077314f548effa86596a148d
Signed-off-by: William A. Kennington III <wak@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 0867219..917a03c 100644
--- a/meta-google/recipes-phosphor/images/obmc-phosphor-image.bbappend
+++ b/meta-google/recipes-phosphor/images/obmc-phosphor-image.bbappend
@@ -5,3 +5,4 @@
 OBMC_IMAGE_EXTRA_INSTALL_append = " phosphor-ipmi-flash"
 
 OBMC_IMAGE_EXTRA_INSTALL_append_gbmc = " gbmc-systemd-config"
+OBMC_IMAGE_EXTRA_INSTALL_append_gbmc = " gbmc-iperf3"