arch: arm: dts: Disable the kernel node for n5x family

Mainline have added a new changes to the Binman tool. This causes compilation error to occur. This changes disabled the kernel node for the n5x family. Signed-off-by: Lokanathan, Raaj <raaj.lokanathan@intel.com>

Author: raajloka

arch/arm/dts/socfpga_n5x_socdk-u-boot.dtsi

@@ -83,3 +83,7 @@
 &watchdog0 {
 bootph-all;
 };
+
+&binman {
+/delete-node/ kernel;
+};