kernel: Update to use atmosphere macros and correct Result (#7242)

* kernel: Switch to atmosphere style macros

* code: Rename ResultCode to Result

* code: Result constants are lower case

* Address review comments

* core: Remove CASCADE_CODE

* R_TRY replaces completely

* core: Run clang format

src/core/hle/kernel/mutex.h

@@ -60,7 +60,7 @@ public:
      * @param thread Thread that wants to release the mutex.
      * @returns The result code of the operation.
      */
-    ResultCode Release(Thread* thread);
+    Result Release(Thread* thread);
 
 private:
     KernelSystem& kernel;