env: Add more context to error message
When setenv complains that it can't set a device parameter, then print
which parameter it tried to set.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 56b2d8e commit 5316da0098c913b1e548801a57b7d5d9fd5a4d6d
@Sascha Hauer Sascha Hauer authored on 8 Feb 2018
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common/env.c