c6x: Use generic init_task

Same code. Use the generic version.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-and-tested-by: Mark Salter <msalter@redhat.com>
Link: http://lkml.kernel.org/r/20120503085034.412398724@linutronix.de

arch/c6x/Kconfig

@@ -10,6 +10,7 @@ config TMS320C6X
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_DMA_API_DEBUG
 	select HAVE_GENERIC_HARDIRQS
+	select HAVE_GENERIC_INIT_TASK
 	select HAVE_MEMBLOCK
 	select SPARSE_IRQ
 	select IRQ_DOMAIN

arch/c6x/kernel/process.c

@@ -26,22 +26,6 @@ void	(*c6x_halt)(void);
 
 extern asmlinkage void ret_from_fork(void);
 
-static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
-static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
-
-/*
- * Initial thread structure.
- */
-union thread_union init_thread_union __init_task_data =	{
-	INIT_THREAD_INFO(init_task)
-};
-
-/*
- * Initial task structure.
- */
-struct task_struct init_task = INIT_TASK(init_task);
-EXPORT_SYMBOL(init_task);
-
 /*
  * power off function, if any
  */