Dynamic tensor descriptor (#24)

* support dynamic tensor descriptor

* use buffer load OOB feature for padding case

* add navi support

* add int8x4 inference kernel
Co-authored-by: Chao Liu <chao@ixt-rack-81.local.lan>
Co-authored-by: Jing Zhang <jizhan@amd.com>

composable_kernel/include/utility/utility.hpp

@@ -9,6 +9,6 @@ __device__ index_t get_thread_local_1d_id() { return threadIdx.x; }
 
 __device__ index_t get_block_1d_id() { return blockIdx.x; }
 
-} // namspace ck
+} // namespace ck
 
 #endif