Kernel: Mark all appropriate kernel objects as "final"

src/core/hle/kernel/address_arbiter.h

@@ -26,7 +26,7 @@ enum class ArbitrationType : u32 {
     DecrementAndWaitIfLessThanWithTimeout,
 };
 
-class AddressArbiter : public Object {
+class AddressArbiter final : public Object {
 public:
     /**
      * Creates an address arbiter.

src/core/hle/kernel/event.h

@@ -11,7 +11,7 @@
 
 namespace Kernel {
 
-class Event : public WaitObject {
+class Event final : public WaitObject {
 public:
     /**
      * Creates an event

src/core/hle/kernel/mutex.h

@@ -14,7 +14,7 @@ namespace Kernel {
 
 class Thread;
 
-class Mutex : public WaitObject {
+class Mutex final : public WaitObject {
 public:
     /**
      * Creates a mutex.

src/core/hle/kernel/semaphore.h

@@ -13,7 +13,7 @@
 
 namespace Kernel {
 
-class Semaphore : public WaitObject {
+class Semaphore final : public WaitObject {
 public:
     /**
      * Creates a semaphore.

src/core/hle/kernel/shared_memory.h

@@ -23,7 +23,7 @@ enum class MemoryPermission : u32 {
     DontCare         = (1u << 28)
 };
 
-class SharedMemory : public Object {
+class SharedMemory final : public Object {
 public:
     /**
      * Creates a shared memory object

src/core/hle/kernel/thread.h

@@ -40,7 +40,7 @@ enum ThreadStatus {
 
 namespace Kernel {
 
-class Thread : public WaitObject {
+class Thread final : public WaitObject {
 public:
     static ResultVal<SharedPtr<Thread>> Create(std::string name, VAddr entry_point, s32 priority,
         u32 arg, s32 processor_id, VAddr stack_top, u32 stack_size);
@@ -115,7 +115,6 @@ public:
     bool idle = false;
 
 private:
-
     Thread() = default;
 };
 

src/core/hle/kernel/timer.h

@@ -11,7 +11,7 @@
 
 namespace Kernel {
 
-class Timer : public WaitObject {
+class Timer final : public WaitObject {
 public:
     /**
      * Creates a timer