move utility headers from library/include to include path (#1697)

include/ck/library/utility/numeric.hpp

@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
+
+#pragma once
+
+#include <iterator>
+#include <numeric>
+
+namespace ck {
+template <typename T, typename ForwardIterator, typename Size, typename BinaryOperation>
+auto accumulate_n(ForwardIterator first, Size count, T init, BinaryOperation op)
+    -> decltype(std::accumulate(first, std::next(first, count), init, op))
+{
+    return std::accumulate(first, std::next(first, count), init, op);
+}
+} // namespace ck