utest: Add tests for zscal

Fixed handling of NAN and INF arguments when
inc is greater than 1.

LoongArch64: Handle NAN and INF

Loongarch64: amax and amin

No interface named {c/z}a{min/max}, keeping it would
cause ambiguity

Use +sve in arch declarations of the fallback paths for SVE targets

Update T-Head toolchains v2.8.0

Signed-off-by: Han Gao/Revy/Rabenda <rabenda.cn@gmail.com>

Add dynamic support for Arm(R) Neoverse(TM) V2 processor

Whilst I figure out how best to map the L2 parameters without
duplicating all of `ARMV8SVE`, lets just map this to `NEOVERSEV1`.

Fix utest compilation

Introduced recently when adding new test cases for ZSCAL

- include cblas is needed for cblas_zscal
- ASSERT macro does not exist
- missing closing )

Add CSKY support

Increase multithreading threshold for S/DGEMV by a factor of 50

* Support ArmCompilerforLinux as classic flang

Fix Clang sapphire rapids march flag

Only use mtune=native in ARM64 fallback paths when not cross-compiling

Handle NAN and INF in ARM and generic/s390x ZSCAL

Add BLAS extension openblas_set_num_threads_local()

Tweak LAPACK tests for SGS/DGS to avoid spurious errors resulting from FMA-induced inaccuracies

Fix typo in common.h

Check compiler support for AVX512BF16 and base COL/SPR kernel choice on that

[WIP] Add fixes and utests for ZSCAL with NaN or Inf arguments

Replace two vector loads with one vector pair load and fix endianess of stores - DGEMM PowerPC versions.