ARC: uaccess: enable INLINE_COPY_{TO,FROM}_USER ...

... and switch to generic out of line version in lib/usercopy.c

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/arc/mm/extable.c

@@ -28,20 +28,6 @@ int fixup_exception(struct pt_regs *regs)
 
 #ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 
-long arc_copy_from_user_noinline(void *to, const void __user *from,
-		unsigned long n)
-{
-	return __arc_copy_from_user(to, from, n);
-}
-EXPORT_SYMBOL(arc_copy_from_user_noinline);
-
-long arc_copy_to_user_noinline(void __user *to, const void *from,
-		unsigned long n)
-{
-	return __arc_copy_to_user(to, from, n);
-}
-EXPORT_SYMBOL(arc_copy_to_user_noinline);
-
 unsigned long arc_clear_user_noinline(void __user *to,
 		unsigned long n)
 {