MLK-16940 imx8m: Disable more HDMI and display nodes for mfgtool

When running mfgtool, the HDMI FW won't be loaded. U-boot has to disable these
new added HDMI and display relevant nodes in DTB.
Signed-off-by: Ye Li <ye.li@nxp.com>
Acked-by: Peng Fan <peng.fan@nxp.com>

arch/arm/cpu/armv8/imx8m/soc.c

@@ -443,6 +443,10 @@ int ft_system_setup(void *blob, bd_t *bd)
 		const char *nodes_path[] = {
 			"/dcss@32e00000",
 			"/hdmi@32c00000",
+			"/hdmi_cec@32c33800",
+			"/hdmi_drm@32c00000",
+			"/display-subsystem",
+			"/sound-hdmi"
 		};
 
 		int i = 0;