Suppress build: masm logo and clang warning argument unused during compilation

[Challanger524]

PR for: #286 and #287

Concern

These changes are applied to implementation fcontext (that is being set for me):

[build] -- Boost.Context: architecture x86_64, binary format pe, ABI ms, assembler gas, suffix .asm, implementation fcontext

Maybe old code + new mine should affect other implementations (ucontext, winfib) too, maybe not - I don't know.

Further

There still MASM output that informs/repeats the build file, looks like modern VS 2022 17.7 Preview 1 is able to consume /quiet option for ml and ml64. But it is too modern :(
https://gitlab.kitware.com/cmake/cmake/-/issues/23537#note_1316785

/quiet	Suppresses 'Assembling' message. Available in Visual Studio 17.6 and later.

https://learn.microsoft.com/en-us/cpp/assembler/masm/ml-and-ml64-command-line-reference?view=msvc-170

Version table

https://learn.microsoft.com/en-us/cpp/overview/compiler-versions?view=msvc-170#version-macros

Visual Studio 2022 version 17.5	1935
Visual Studio 2022 version 17.6	1936
Visual Studio 2022 version 17.7	1937

CMake - GREATER_EQUAL

Added in version 3.7: Added the LESS_EQUAL and GREATER_EQUAL options.
And context is 3.5: if(NOT(MSVC_VERSION LESS 1936)) will it be
https://stackoverflow.com/questions/16667017/cmake-express-the-greater-or-equal-statement

Concern

It is better to check if we can pass /quiet on any 17.6 patch version, or better to set 1937 to be 100% sure that it works.