[CK_TILE] Fix mock token id, support g1u1/g1u0 through same inline code block (#1808)

* fix mock token id

* prepare host for g1u1

* reformat inline-asm

* restructure uk_0

* restructure gate_up

* done

* change default to init=1

* update readme

* fix a bug in interleave pipeline

* rcp for silu

include/ck_tile/ops/flatmm/block/uk/flatmm_sn_uk_gfx9_32x128x512_1x4x1_16x16x16.inc

@@ -1,3 +1,10 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2025, Advanced Micro Devices, Inc. All rights reserved.
+// clang-format off
+
+// define the CK_TILE_** macro before include this file to change kernel variation
+// we will undef everything defined in this file
+
 #ifndef CK_TILE_FLATMM_UK_MFMA
 #define CK_TILE_FLATMM_UK_MFMA CK_TILE_FLATMM_UK_MFMA_BF16
 #endif
@@ -816,3 +823,5 @@
 #undef _UK_MFMA_
 #undef _UK_PK_CVT_
 #undef _UK_ATOMIC_ADD_
+#undef CK_TILE_FLATMM_UK_MFMA
+// clang-format on