module.c: do not make use of reset_control_is_reset

the patch series found in [1] has not made it into mainline kernel and is only
useful for AM43x/AM335x based SoC's

[1] https://groups.google.com/forum/#!msg/linux.kernel/zAYI7WBNvCs/WEs5uqo8GcUJ

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>