linux-imx

USB: io_edgeport: remove redundant conditions

This patch removes redundant conditions.

 (!A || (A && B)) is the same as (!A || B).

Tested by compilation only.
Caught by cppcheck.

Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>