imx: wdog: correct wdog_path
imx: wdog: correct wdog_path

The prefix `0` is removed in Linux Kernel upstream code,
so let's drop it to let wdog work.

Linux Kernel commit 67b8d5c7081221efa252("Linux 4.17-rc5")

Signed-off-by: Peng Fan <d3c162a96b7fb54e5d94bc77bc2c7cbbce10806f@nxp.com>
Acked-by: Jerome Forissier <ced78d268b4c9a0a20a59a9feeebd2ad90da03d3@linaro.org>

pascal-brand-st-dev/optee_os,pascal-brand-st-dev/optee_os,pascal-brand-st-dev/optee_os,pascal-brand-st-dev/optee_os,pascal-brand-st-dev/optee_os