Add qemu_multiarch_testing/

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/qemu_multiarch_testing/extract_od_binary.sh b/qemu_multiarch_testing/extract_od_binary.sh
new file mode 100755
index 0000000..e4c2c2a
--- /dev/null
+++ b/qemu_multiarch_testing/extract_od_binary.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Converts textual result of "od -tx1 <FILE"
+# back into a binary FILE
+
+grep -a '^[0-7][0-7][0-7][0-7][0-7][0-7][0-7] [0-9a-f][0-9a-f] [0-9a-f][0-9a-f] [0-9a-f][0-9a-f] [0-9a-f][0-9a-f]' | busybox hexdump -R