Temporarily revert S/DNRM2 on NeoverseN1 and Apple M to the older NEON kernel

fix typo

Address Windows thread server re-entrant queue bug #4582

loongarch: Fixed dzamax

use atomic acq/rel operations in potrf_parallel as in the corresponding getrf_parallel

Initialize the registers to prevent sporadic errors.

Fix global (static) constructor priority so that OpenBLAS gets initialized before other libraries.  Other unit test AIX fix.

Fix README formatting error

Restore outer loop of blas_buffer_inuse setup for parallel OpenMP

* Filter out FFLAGS that flang-new from LLVM18 no longer supports

POWER9: Use default param values from POWER8 on AIX

Fix bad assignment of OPENBLAS_LOOPS  variable in several benchmarks

AIX uses KERNEL.POWER8 optimization on POWER9 and changing
the default GEMM parameters in param.h to use POWER8 values
on POWER9.

LoongArch: Fixed  LSX opt

Fix argument lists of RELAPACK_?gemmt for good

Loongarch: Fixed LASX opt

OpenMP locks instead of busy-waiting with NUM_PARALLEL

Add support for negative increments to the ?NRM2 kernels for RISC-V RVV targets

Update README for build instructions on AIX and OpenXL.