libc/metag: add __kernel_long_t and __kernel_ulong_t

Add __kernel_long_t and __kernel_ulong_t types for Meta. The rest of
the architectures have been fixed in:

6a76edddaa62ff06f178143b582167734cb55c18
"libc/sysdeps: add __kernel_long and __kernel_ulong"

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

libc/sysdeps/linux/metag/bits/kernel_types.h

@@ -37,6 +37,8 @@ typedef unsigned int	__kernel_old_uid_t;
 typedef unsigned int	__kernel_old_gid_t;
 typedef __kernel_dev_t	__kernel_old_dev_t;
 typedef long long	__kernel_loff_t;
+typedef long		__kernel_long_t;
+typedef unsigned long	__kernel_ulong_t;
 
 typedef struct {
 	int val[2];