MLK-25435-2 arm64: dts: imx8mp-evk-basler: delete camera ov5640 node on CSI1

commit a76e1cb620a31e4de4c7886993c61453d8753a73 from
git://source.codeaurora.org/external/qoriq/qoriq-components/linux



The script to start isp media server will check camera device node.
Deleting camera ov5640 node means there's only 1 camera/csi is used.
On this case, the resolution can set to 4K.

Signed-off-by: Robby Cai <robby.cai@nxp.com>
Reviewed by: G.n. Zhou <guoniu.zhou@nxp.com>
Signed-off-by: Meng Li <Meng.Li@windriver.com>