[padring] set pad_pok_o to 1
[padring] set pad_pok_o to 1

Signed-off-by: Sharon Topaz <97a66b5d23c426eb4ba1d3da8c95126fbce8a895@nuvoton.com>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan