Update scripts to compile arm64 based images

This changes all binaries to be platform dependent
instead of being amd64 hardcoded.

scripts/validate-binaries-architecture

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+set -eo pipefail
+
+# convert architecture of a system into
+# - use `arch` to show current system architecture
+# - do not use `uname -m` as this shows kernel architecture
+# - the `arch != uname -m` will be different when doing cross-compilation using `qemu-user`
+# x86_64 -> x86-64
+# aarch64 -> aarch64
+ARCH=$(arch | tr '_' '-')
+
+# find all executables in $PATH
+CMDs=$(compgen -c)
+CMD_PATHs=$(which $CMDs || true) # some CMDs might be missing
+
+if files=$(file $CMD_PATHs | grep "ELF " | grep -v "$ARCH")
+then
+  echo "Found files of different architecture than $(ARCH):"
+  echo "$files"
+  exit 1
+fi
+
+echo "Validated $(echo $CMD_PATHs | wc -w) binaries."