[llvm] [llvm][Docs] Update supported hardware (PR #121743)

[Omair Javaid via llvm-commits]

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@@ -239,22 +239,26 @@ OS                 Arch                  Compilers
 Linux              x86\ :sup:`1`         GCC, Clang
 Linux              amd64                 GCC, Clang
 Linux              ARM                   GCC, Clang
+Linux              AArch64               GCC, Clang
 Linux              Mips                  GCC, Clang
 Linux              PowerPC               GCC, Clang
 Linux              SystemZ               GCC, Clang
 Solaris            V9 (Ultrasparc)       GCC
 DragonFlyBSD       amd64                 GCC, Clang
 FreeBSD            x86\ :sup:`1`         GCC, Clang
 FreeBSD            amd64                 GCC, Clang
+FreeBSD            AArch64               GCC, Clang
 NetBSD             x86\ :sup:`1`         GCC, Clang
 NetBSD             amd64                 GCC, Clang
 OpenBSD            x86\ :sup:`1`         GCC, Clang
 OpenBSD            amd64                 GCC, Clang
 macOS\ :sup:`2`    PowerPC               GCC
 macOS              x86                   GCC, Clang
+macOS              arm64                 Clang
 Cygwin/Win32       x86\ :sup:`1, 3`      GCC
 Windows            x86\ :sup:`1`         Visual Studio
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omjavaid wrote:

Clang is available on both x64 and AArch64 although it can only use MSVC ABI.
So I guess both Visual Studio, Clang should be mentioned as supported compilers.

https://github.com/llvm/llvm-project/pull/121743