orc: upgrade 0.4.39 -> 0.4.40

orc: upgrade 0.4.39 -> 0.4.40

Changelog:
===========
- Security: Minor follow-up fixes for CVE-2024-40897
- powerpc: fix div255w which still used the inexact substitution
- x86: work around old GCC versions (pre 9.0) having broken xgetbv
  implementations
- x86: consider MSYS2/Cygwin as Windows for ABI purposes only
- x86: handle unnatural and misaligned array pointers
- orccodemem: Assorted memory mapping fixes
- Fix include header use from C++
- Some compatibility fixes for Musl
- ppc: Disable VSX and ISA 2.07 for Apple targets
- ppc: Allow detection of ppc64 in Mac OS
- x86: Fix non-C11 typedefs
- meson: Fix detecting XSAVE on older AppleClang
- x86: try fixing AVX detection again by adding check for XSAVE
- Check return values of malloc() and realloc()

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>