misc: imx8ulp: Update fuse driver

- According to S400 API, the fuse bank 25 (Testconfig2) is able to
access. Add it into driver's mapping table.
- According to FSB words list, the reserved 48 words are ahead of
the bank 5 and bank 6. Fix the wrong position.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>