cmd: env: fix a typo in a comment of do_env_set_efi()

A wrong function name is referred to in a comment of do_env_set_efi().

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
1 file changed