blackfin: switch to generic sys_execve()

#define __ARCH_WANT_SYS_NICE

#define __ARCH_WANT_SYS_RT_SIGACTION

#define __ARCH_WANT_SYS_RT_SIGSUSPEND

#define __ARCH_WANT_SYS_EXECVE

/*

 * "Conditional" syscalls

	return 0;

}

/*

 * sys_execve() executes a new program.

 */

asmlinkage int sys_execve(const char __user *name,

			  const char __user *const __user *argv,

			  const char __user *const __user *envp)

{

	int error;

	struct filename *filename;

	struct pt_regs *regs = (struct pt_regs *)((&name) + 6);

	filename = getname(name);

	error = PTR_ERR(filename);

	if (IS_ERR(filename))

		return error;

	error = do_execve(filename->name, argv, envp, regs);

	putname(filename);

	return error;

}

unsigned long get_wchan(struct task_struct *p)

{

	unsigned long fp, pc;