Update Changelog for 0.3.14

Add workaround for older gcc on big-endian ppc64 not supporting casts in defines

rebase

Fix DYNAMIC_ARCH builds with CLANG on ppc64

Resolve circular dependency between common.h and param.h

disable openmp

rebase

add misc fixes.

Leave out ARM64 march/mtune options when compiling with nagfor

Fix compilation on older x86_64 targets with old compilers that lack intrinsics support

Add support for compilation with the NAG Fortran compiler

Modifying a couple parameters in the "POWER10"-specific section of pa…

rebase

Optimize zscal function for POWER10

This patch makes use of new POWER10 vector pair instructions for
loads and stores.

Replace spurious AVX512 requirement in the Haswell srot microkernel with an AVX2/FMA3 guard

Optimize s/dasum function for POWER10

This patch makes use of new POWER10 vector pair instructions for
loads and stores.

Support timing Apple M1 in the benchmarks

Fix AMD AOCC compiler detection

Fix unusual stack size requirements of the LAPACK EIG tests (from Reference-LAPACK PR 335)

POWER10: Rename mma builtins

The LLVM and GCC teams agreed to rename the __builtin_mma_assemble_pair and
__builtin_mma_disassemble_pair built-ins to __builtin_vsx_assemble_pair and
__builtin_vsx_disassemble_pair respectively. This patch is to make
corresponding changes in dgemm kernel. Also made changes in
inputs to those builtins to avoid some potential typecasting issues.

Reference gcc commit id:77ef995c1fbcab76a2a69b9f4700bcfd005d8e62