Make pointer example 32 bits to better show reality

Author: SirJosh3917

design/witx-type-representation.md

@@ -114,8 +114,8 @@ at that location will be an unknown contiguous amount of `T`s.
 ```
 Pointer<u8>
 
-+------+------+------+------+------+------+------+------+
-| 0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00 |
-+------+------+------+------+------+------+------+------+
++------+------+------+------+
+| 0x00 | 0x00 | 0x00 | 0x00 |
++------+------+------+------+
 ^ a number, that represents another position in RAM that leads to the data.
 ```