[CK_TILE] FMHA bwd Support hdim as a Multiple of 32 (#2130)

* Fix shuffle_tile

* Add fmha bwd d160

* CHANGELOG

* Use static_cast

* Update

---------

Co-authored-by: asleepzzz <hanwen.chang@amd.com>

[ROCm/composable_kernel commit: 1926cd0cb8]

include/ck_tile/core/tensor/tile_distribution_encoding.hpp

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
+// Copyright (c) 2018-2025, Advanced Micro Devices, Inc. All rights reserved.
 
 #pragma once
 
@@ -533,6 +533,26 @@ struct tile_distribution_encoding
     }
 };
 
+template <typename encoding, typename shuffle>
+class tile_distribution_encoding_shuffle;
+template <typename encoding, index_t... shuffle>
+class tile_distribution_encoding_shuffle<encoding, sequence<shuffle...>>
+{
+    template <typename Ys2RHs>
+    using shuffled = sequence<(Ys2RHs::template get<shuffle>())...>;
+
+    public:
+    using type = tile_distribution_encoding<typename encoding::RsLengths,
+                                            typename encoding::HsLengthss,
+                                            typename encoding::Ps2RHssMajor,
+                                            typename encoding::Ps2RHssMinor,
+                                            shuffled<typename encoding::Ys2RHsMajor>,
+                                            shuffled<typename encoding::Ys2RHsMinor>>;
+};
+template <typename encoding, typename shuffle>
+using tile_distribution_encoding_shuffle_t =
+    typename tile_distribution_encoding_shuffle<encoding, shuffle>::type;
+
 namespace detail {
 
 template <typename OuterDstr, typename InnerDstr>