kernel/process_capability: Handle the priority mask and core mask flags

Handles the priority mask and core mask flags to allow building up the
masks to determine the usable thread priorities and cores for a kernel
process instance.

src/core/hle/kernel/process_capability.h

@@ -122,6 +122,16 @@ public:
     ///
     void InitializeForMetadatalessProcess();
 
+    /// Gets the allowable core mask
+    u64 GetCoreMask() const {
+        return core_mask;
+    }
+
+    /// Gets the allowable priority mask
+    u64 GetPriorityMask() const {
+        return priority_mask;
+    }
+
 private:
     /// Attempts to parse a given sequence of capability descriptors.
     ///