In order to enable support for future cores which have similar tunings
(in this case I'm doing this for the Arm(R) Neoverse(TM) V2 core), this generically detects SVE support and enables it. This should better manage the size and complexity of dynamic dispatch rather than just copy pasting the same parameters.

To make `ARMV8SVE` more representive of the common 128-bit SVE case,
I've split it and similar parameters from A64FX which has the wider
512-bit SVE.

Fix armv8 detection in system_check.cmake

Fix riscv64 detection in system_check.cmake

The cmake scripts incorrectly treated armv8 as 32-bit arm, causing
compilation issues. This just adds 'armv8' to the arm64 condition check.

Add C/ZRSCL for reciprocal scaling of a complex vector (Reference-LAPACK PR 839)

Sapphire Rapids sbgemm fix

* Add ARMV5

based on cpuid_arm.c and param.h

RISC-V support exists in Makefile.system but is missing in arch.cmake. This patch adds riscv64 platform support to cmake building system just like 039e27545f/Makefile.system (L830-L832) did.

Add a BLAS3-based triangular Sylvester equation solver (Reference-LAPACK PR 651)