nvramcui: Trim values when setting.

Values get space-padded by curses and then enum search fails to match them.
Rtrim to compensate for curses.

Change-Id: Iecf095f21cfade9425eaa039b67625615eb80481
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4692
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins)
1 file changed