test(chip): Add chip_sw_sleep_pin_mio_dio_val to testplan
test(chip): Add chip_sw_sleep_pin_mio_dio_val to testplan

Signed-off-by: Eli Kim <3ca62a2ad87376be2697209a1770e1afdbbba220@opentitan.org>

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