ARM exclusive monitor and multicore fixes (#589)

* Implement ARM exclusive load/store with compare exchange insts, and enable multicore by default

* Fix comment typo

* Support Linux and OSX on MemoryAlloc and CompareExchange128, some cleanup

* Use intel syntax on assembly code

* Adjust identation

* Add CPUID check and fix exclusive reservation granule size

* Update schema multicore scheduling default value

* Make the cpu id check code lower case aswell

Ryujinx/Config.jsonc

@@ -36,7 +36,7 @@
     "enable_vsync": true,
     
     // Enable or Disable Multi-core scheduling of threads
-    "enable_multicore_scheduling": false,
+    "enable_multicore_scheduling": true,
     
     // Enable integrity checks on Switch content files
     "enable_fs_integrity_checks": true,

Ryujinx/_schema.json

@@ -382,7 +382,7 @@
       "type": "boolean",
       "title": "Enable Multicore Scheduling",
       "description": "Enables or disables multi-core scheduling of threads",
-      "default": false,
+      "default": true,
       "examples": [
         true,
         false