Details:
- In case of GEMM, whenever beta is zero, we need to perform C = alpha
*(A * B) instead of C = beta * C + alpha * (A * B)
 Added conditions to check the value of beta at different levels inside
 small_gemm kernels and decide whether to perform scaling C with beta or
 not.
-Modified small_gemm kernels to use BLIS specific functions to retrieve
 different fields of objects.
-Calling bli_gemm_check before entering bli_gemm_small to facilitate
 early return in case of invalid inputs.
-For corner cases inside small_gemm kernels, a buffer called f_temp
 is used to load and store data to and from registers.
 populating the buffer with zeroes before use.
-In bli_gemm_front, datatypes of status and return value from
 bli_gemm_small are not matching.
 Corrected the datatype of the variable 'status' inside bli_gemm_front
 to err_t.

Change-Id: I8b52ad55008f028d6c8b7e0d20f746a869d9daea
Signed-off-by: Meghana Vankadari <[email protected]>
AMD-Internal: [CPUPL-689,SWLCSG-104]

Details:
- This implementation does a transpose operation while packing 16xk of A
  buffer and passes it to 16x3-nn kernel.
- The same implementation works for the case where B has transpose.

AMD-Internal: [CPUPL-1376]
Change-Id: I81f74deb609926598f62c30f5bd6fc80fb1b9a17

Details:
- Decision logic to choose small_gemm has been moved to blas interface.
- Redirecting all the calls to small_gemm from gemm_front to native
  implementation.

AMD-Internal: [CPUPL-1376]
Change-Id: I6490f67113e9f7c272269f441c86f2a0b3c89a53

Details:
- Placed optimized version of BLAS DGEMM, ZGEMM definitions under
  BLIS_CONFIG_EPYC as they use gemm small which are defined only
  for zen family configurations.
- Added code to query and set cntx in gemv and trsv framework before
  cntx is referred for any function pointers to avoid querying
   from NULL pointer.

AMD-Internal: [CPUPL-1562]
Change-Id: I977d028ec4ddb57dcdc70e443e7708f36c01cca9