Stabilization8 (#218)

* disable configured flexible memory size (caused issues in some games)

* fixed case S_OR_B64 for blazing chrome

* submodules updates and fixes for latest SDL

* stubbed _sigprocmask (not handled and spams too much)

* added ReplaceOp case in Stencilop

* dummy ajm module added

src/video_core/renderer_vulkan/liverpool_to_vk.cpp

@@ -26,6 +26,8 @@ vk::StencilOp StencilOp(Liverpool::StencilFunc op) {
         return vk::StencilOp::eIncrementAndWrap;
     case Liverpool::StencilFunc::SubWrap:
         return vk::StencilOp::eDecrementAndWrap;
+    case Liverpool::StencilFunc::ReplaceOp:
+        return vk::StencilOp::eReplace;
     default:
         UNREACHABLE();
         return vk::StencilOp::eKeep;