Loongarch64: Improving the Performance and Stability of dgemm

Fix builds for LOONGARCH64 in LSX mode

Expose whether locking is enabled in get_config

fix HUGETLB allocation for TLS mode as well

Restore Loongson LA64ARCH handling

Fix and document the two HUGETLB options for buffer allocation in Makefile.rule

Add autodetection of Intel Meteor Lake and Emerald Rapids

Mention LD_LIBRARY_PATH in user documentation

[Doc]Update user_manual.md for static linker

Silence a GCC14 warning/error in the f2c-converted LAPACK

Force compilation with gfortran to use O0 on older Loongson hardware to avoid spurious test failures

Fix spurious errors in the extended utest for INTERFACE64=1 on big-endian systems

Fix openblas_utest_ext build in AIX

Fix CMAKE builds for Loongarch64

Add forgotten conditional uses of PREFETCH

CI: Add clang test for loongarch64

do not add LIBNAMESUFFIX to dylib

Introduced callback to Pthread, Win32 and OpenMP backend

* Add all-in-one version of utest_ext for AIX

This fixes a (cross-)compilation/linker error for PRESCOTT
on Yocto.

Signed-off-by: Zoltán Böszörményi <zoltan.boszormenyi@xenial.com>

Align Makefile build options for embedded (Cortex M)  systems with the CMAKE code