[cmake] fix compilation for Intel Atom N455 (#2872)

Patience is key when building from source on an Intel Atom N455.

Of course, no SSE4.1 is in an atom... which is so unfortunate :(
We only get SSSE3 - but CI handles for building better codegen doesn't it?

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2872
Reviewed-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/CMakeLists.txt

@@ -178,8 +178,10 @@ else()
 
     if (MINGW)
         add_compile_definitions(MINGW_HAS_SECURE_API)
-        add_compile_options("-msse4.1")
-
+        # Only windows has this requirement, thanks windows
+        if (WIN32)
+            add_compile_options("-msse4.1")
+        endif()
         if (MINGW_STATIC_BUILD)
             add_compile_definitions(QT_STATICPLUGIN)
             add_compile_options("-static")