Add net.ifnames=0 to the raspi2 cmdline injected into raspi2 builds.

debian/changelog

@@ -1,3 +1,9 @@
+livecd-rootfs (2.378) xenial; urgency=medium
+
+  * Add net.ifnames=0 to the raspi2 cmdline injected into raspi2 builds.
+
+ -- Adam Conrad <adconrad@ubuntu.com>  Wed, 17 Feb 2016 17:47:26 -0700
+
 livecd-rootfs (2.377) xenial; urgency=medium
 
   * live-build/ubuntu-cpc/hooks/999-cpc-fixes.chroot: Add fake_cloud_init

live-build/auto/config

@@ -643,7 +643,7 @@ LABEL=system-boot       /boot/firmware  vfat    defaults        0       1
 EOM
 
 cat > /boot/firmware/cmdline.txt << EOM
-dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait
+net.ifnames=0 dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait
 EOM
 
 cat > /boot/firmware/config.txt << EOM