defenv2: move config-board out of /env/init

Having the board config file in /env/init has the problem that
the settings in /env/config are overwritten in the init sequence.

This moves the config-board files to /env/ and sources them explicitly
from /env/bin/init before sourcing /env/config

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

defaultenv-2/base/bin/init

@@ -13,6 +13,7 @@ global linux.bootargs.dyn.ip
 global linux.bootargs.dyn.root
 global editcmd=sedit
 
+/env/config-board
 /env/config
 
 if [ -e /env/menu ]; then