meta-quanta: gbs: add the option for setting locally administered bit

Add USBLAA setting to make users decide if it needs to set
locally administered bit to usb-network

Signed-off-by: George Hung <george.hung@quantatw.com>
Change-Id: I0583af48883867fd906d2c536010ed6215675192
diff --git a/meta-gbs/recipes-quanta/network/mac-address/config.txt b/meta-gbs/recipes-quanta/network/mac-address/config.txt
index d898444..06818fc 100644
--- a/meta-gbs/recipes-quanta/network/mac-address/config.txt
+++ b/meta-gbs/recipes-quanta/network/mac-address/config.txt
@@ -5,3 +5,4 @@
 mac2=usb0_dev
 mac3=usb0_host
 mac4=eth0
+USBLAA=true