Added bf16s4f32 kernels to handle m=4 cases

Details:
- In WOQ, if m = 4, special case kernels are added where
  s4->bf16 conversion happens inside the compute kernel and
  packing is avoided. For all other cases, B matrix is
  dequantized and packed at KC loop level and native bf16
  kernels are re-used at compute level.
- Fixes in bench to avoid accuracy failures when datatype of
  output is bf16.

Change-Id: Ie8db42da536891693d5e82a5336b66514a50ccb2

addon/aocl_gemm/frame/lpgemm_5loop_interface_apis.h

@@ -85,7 +85,7 @@ void lpgemm_rowvar_ ## LP_SFX \
        const B_type*         b, \
        const dim_t           rs_b, \
        const dim_t           cs_b, \
-       const AOCL_MEMORY_TAG mtag_b, \
+       AOCL_MEMORY_TAG       mtag_b, \
        C_type*               c, \
        const dim_t           rs_c, \
        const dim_t           cs_c, \