[CK Tile] Int8 Support on CK Tile GEMM (#2267)

* updates to support int8 in 03_gemm example

* added comments, using aliases, helper functions

* test(gemm_universal): add test cases for int8 gemm pipeline

* fix(test_gemm): fix for failing test unit test for int8

* test(ck_tile): add int8 unit test for gemm universal

* refactor(gemm_universal): GPU reference verification for GEMM code improved

* style(gemm_universal): removed extra comments and did clang format

* merging recent changes to universal gemm to tile_engine

* ck tile engine integration work

* feat(tile_engine): add int8 support to tile engine ops/gemm

* feat(tile_engine): added 32 32 16 mfma instances to tile engine for int8

* style: Format code with clang-format-12

* refactor(tile_engine): address review comments

* style: removed unhelpful comments & unused variables.

* build: tile engine uses default config

* feat: add int8 support for CK_TILE GEMM

* style: added trailing commas to codegen_utils.py

* refactor: tile engine

* refactor: formatting and code review

* refactor: code formatting for python files

* fix: suppress build warning

* add support for gfx950

* refactor:KWarpTile size in gemms util

* Fix the branch and wrap up the k warp tile

* Add bf8 integration

* refactor: clang format and rebase

---------

Co-authored-by: zjli2013 <leezhengjiang@gmail.com>
Co-authored-by: AviralGoelAMD <aviral.goel@amd.com>
Co-authored-by: Khushbu Agarwal <khuagarw@amd.com>

tile_engine/ops/gemm/configs/user_provided_config.json

@@ -17,17 +17,17 @@
     },
     "datatype_a": {
       "values": [
-        "fp16"
+        "int8"
       ]
     },
     "datatype_b": {
       "values": [
-        "fp16"
+        "int8"
       ]
     },
     "datatype_c": {
       "values": [
-        "fp16"
+        "int32"  
       ]
     }
   },
@@ -44,7 +44,7 @@
     },
     "tile_k": {
       "values": [
-        32
+        128
       ]
     },
     "warp_m": {
@@ -64,17 +64,17 @@
     },
     "warp_tile_m": {
       "values": [
-        32
+        16, 32
       ]
     },
     "warp_tile_n": {
       "values": [
-        32
+        16, 32
       ]
     },
     "warp_tile_k": {
       "values": [
-        16
+        16, 32
       ]
     }
   },