saveenv: make clear how to use the command's parameters
Both parameters can be omitted and DIRECTORY can be omitted, but the
DIRECTORY parameter requires the ENVFS parameter as well.

Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 2fd4f0f commit 1b937547b9b1cbc20cfa87f762bf22bc08d4610e
@Juergen Borleis Juergen Borleis authored on 31 Jul 2014
Sascha Hauer committed on 1 Aug 2014
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commands/saveenv.c