[LoongArch64] coreclr-vm directory (#62885)

[LoongArch64] coreclr-vm directory (#62885)

* Part6-2: -add the coreclr-vm directory for LoongArch64. (#59561)

Co-authored-by: Loongson's .NET-teams
* [LoongArch64] revert the syncblk.cpp.

* [LoongArch64] delete some unused codes.

* [LoongArch64] add vm/CMakeLists.txt from #62889.

* [LoongArch64] add related files from #62886 and #62893.

* [LoongArch64] moved vm/jitinterface.cpp from #62893.
moved inc/corinfo.h from #6288.

* [LoongArch64] run the file `src/coreclr/tools/Common/JitInterface/ThunkGenerator/gen.sh`
and merge the patch from #62893.

* [LoongArch64] revert vm/ceeload.h.
amend the `ToolBox/superpmi/superpmi-shared/agnostic.h`

* [LoongArch64] add empty interfaces within `CorInfoImpl.cs`.

* [LoongArch64] Fix the compiling error on Windows.

* [LoongArch64] Fix the compiling error for memory unaligned m_currentByteStackIndex.

* [LoongArch64] Delete the !TARGET_LOONGARCH64 for m_currentByteStackIndex.

* [LoongArch64] move ToolBox from #62886.

* [LoongArch64] amend the args when needs unsigned extending within CallTargetWorker.

* [LoongArch64] add bool type for args' unsigned extention.

* [LoongArch64] adding char type for args' unsigned extention.
Also rename `TARGET_LOONGARCH64` to `UNIX_LOONGARCH64_ABI` within ABI.

* [LoongArch64] amend renaming `TARGET_LOONGARCH64` to `UNIX_LOONGARCH64_ABI` within ABI.

* [LoongArch64] remove the JIT/EE interface to #62893.

* [LoongArch64] revert the rename `TARGET_LOONGARCH64` to `UNIX_LOONGARCH64_ABI`.
Also add unsigned extend for CHAR type.

* [LoongArch64] refactor the `ArgDestination and ArgLocDesc`.

* [LoongArch64] rename the `m_flag` and `getFieldTypeByHnd`.

* [LoongArch64] add `NATIVE_SYMBOL_READER_DLL` for compiling error.

* [LoongArch64] update the version of the `LICENSE description`.

* [LoongArch64] keep same with the comment in `jit/targetloongarch64.h`

* [LoongArch64] amend the code for reviewing.

* [LoongArch64] refactor LoongArch64-ABI within `vm`,
and also amend some code for review.

* [LoongArch64] delete unused codes.

* [LoongArch64] merge main for #65869.

* [LoongArch64] amend the format for reviewing.

* [LoongArch64] delete some unused code for reviewing.

* [LoongArch64] amend code for CR feedback @jkotas @janvorli

* [LoongArch64] add class type for LoongArch64-ABI.

* [LoongArch64] Amend the LoongArch64's ABI
after merged `MethodTable::GetLoongArch64PassStructInRegisterFlags()`
and `CEEInfo::getLoongArch64PassStructInRegisterFlags()`

* [LoongArch64] Fix the assert error
when running hello-world within debug-mode after refacting.

Co-authored-by: qiaopengcheng <qiaopengcheng-hf@loongson.cn>