util: increase several macros limit from 255 to 4095

Currently, the following macros will only work for 0 - 255:
- `IS_EQ`
- `UTIL_X2`
- `UTIL_INC`
- `UTIL_DEC`
- `LISTIFY`

This patch increases their limit to 4095.

Signed-off-by: Yong Cong Sin <ycsin@meta.com>