arm64: dts: imx8mp: verdin-yavia: drop disable-over-current

disable-over-current is for chipidea IP, i.MX8MQ use dwc3, this property
is not valid. Drop it.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>