dts: arm: nxp: disable gpio node for imx95 m7

Disable gpio node in imx95 m7 which not owner gpio privilege
in default system manager config, the status should be set as okay
in specific case test instead of nxp_imx95_m7.dtsi

Signed-off-by: Yongxu Wang <yongxu.wang@nxp.com>