MAKEALL: run genboardscfg.py all the time

This commit makes sure boards.cfg is up to date before starting
the build tests.  tools/genboardscfg.py exits immediately printing
"boards.cfg is up to date. Nothing to do." when boards.cfg is
already new.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

MAKEALL

@@ -171,13 +171,10 @@ GNU_MAKE=$(scripts/show-gnu-make) || {
 # echo "Remaining arguments:"
 # for arg do echo '--> '"\`$arg'" ; done
 
-if [ ! -r boards.cfg ]; then
+tools/genboardscfg.py || {
-	echo "Could not find boards.cfg"
+	echo "Failed to generate boards.cfg" >&2
-	tools/genboardscfg.py || {
+	exit 1
-		echo "Failed to generate boards.cfg" >&2
+}
-		exit 1
-	}
-fi
 
 FILTER="\$1 !~ /^#/"
 [ "$opt_a" ] && FILTER="${FILTER} && $opt_a"