commands: nv: adjust command help
Help did not point out that -r option requires n arguments and did not
mention support for removing variables in help text.

Also introduce and consistently reuse 'NV' as abbreviation for 'non volatile'.

Signed-off-by: Enrico Jorns <ejo@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 609d3ed commit 8fc9636c3c31b5b8ed3c736916f201819233471e
@Enrico Jorns Enrico Jorns authored on 1 Nov 2017
Sascha Hauer committed on 3 Nov 2017
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commands/nv.c