Add pre-installed python packages within rootfs overlay

TODO: This is just a quick fix and need to be changed to
buildroot packages in the upcoming days/weeks/months.

buildroot-external/rootfs-overlay/usr/lib/python3.10/site-packages/pythran/pythonic/time/sleep.hpp

@@ -0,0 +1,24 @@
+#ifndef PYTHONIC_TIME_SLEEP_HPP
+#define PYTHONIC_TIME_SLEEP_HPP
+
+#include "pythonic/include/time/sleep.hpp"
+#include "pythonic/utils/functor.hpp"
+#include "pythonic/builtins/None.hpp"
+
+#include <thread>
+#include <chrono>
+
+PYTHONIC_NS_BEGIN
+
+namespace time
+{
+
+  types::none_type sleep(double const value)
+  {
+    std::this_thread::sleep_for(std::chrono::duration<double>(value));
+    return builtins::None;
+  }
+}
+PYTHONIC_NS_END
+
+#endif

buildroot-external/rootfs-overlay/usr/lib/python3.10/site-packages/pythran/pythonic/time/time.hpp

@@ -0,0 +1,25 @@
+#ifndef PYTHONIC_TIME_TIME_HPP
+#define PYTHONIC_TIME_TIME_HPP
+
+#include "pythonic/include/time/time.hpp"
+#include "pythonic/utils/functor.hpp"
+
+#include <chrono>
+
+PYTHONIC_NS_BEGIN
+
+namespace time
+{
+
+  double time()
+  {
+    std::chrono::time_point<std::chrono::steady_clock> tp =
+        std::chrono::steady_clock::now();
+    return std::chrono::duration_cast<std::chrono::milliseconds>(
+               tp.time_since_epoch()).count() /
+           1000.;
+  }
+}
+PYTHONIC_NS_END
+
+#endif