get rid of lkmc package, move userland and kernel-modules to top

Rationale: we already had a non buildroot build system,
maintaining both will be hard, and having short paths is more awesome.

kernel_modules/memcpy_overflow.c

@@ -0,0 +1,21 @@
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#config_fortify_source */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+
+static int myinit(void)
+{
+	void *dst, *src;
+    dst = kmalloc(0x10, GFP_KERNEL);
+    src = kmalloc(0x1000000, GFP_KERNEL);
+	memcpy(dst, src, 0x1000000);
+	return 0;
+}
+
+static void myexit(void) {}
+
+module_init(myinit)
+module_exit(myexit)
+MODULE_LICENSE("GPL");