[ARM] Add two more missing __user annotations for sparse.

arch/arm/kernel/ptrace.c

@@ -622,7 +622,7 @@ static int do_ptrace(int request, struct task_struct *child, long addr, long dat
 			ret = access_process_vm(child, addr, &tmp,
 						sizeof(unsigned long), 0);
 			if (ret == sizeof(unsigned long))
-				ret = put_user(tmp, (unsigned long *) data);
+				ret = put_user(tmp, (unsigned long __user *) data);
 			else
 				ret = -EIO;
 			break;

arch/arm/kernel/signal.c

@@ -564,10 +564,10 @@ static int do_signal(sigset_t *oldset, struct pt_regs *regs, int syscall)
 				regs->ARM_r7 = __NR_restart_syscall;
 				regs->ARM_pc -= 2;
 			} else {
-				u32 *usp;
+				u32 __user *usp;
 
 				regs->ARM_sp -= 12;
-				usp = (u32 *)regs->ARM_sp;
+				usp = (u32 __user *)regs->ARM_sp;
 
 				put_user(regs->ARM_pc, &usp[0]);
 				/* swi __NR_restart_syscall */