ptrace: cleanup arch_ptrace() on score

Remove unnecessary castings.

Signed-off-by: Namhyung Kim <[e-mail]>
Cc: Chen Liqin <[e-mail]>
Cc: Lennox Wu <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/score/kernel/ptrace.c

···
 		ret = copy_regset_to_user(child, &user_score_native_view,
 						REGSET_GENERAL,
 						0, sizeof(struct pt_regs),
-						(void __user *)datap);
+						datap);
 		break;
 
 	case PTRACE_SETREGS:
 		ret = copy_regset_from_user(child, &user_score_native_view,
 						REGSET_GENERAL,
 						0, sizeof(struct pt_regs),
-						(const void __user *)datap);
+						datap);
 		break;
 
 	default: