[dv/gpio] Fix gpio test failure
[dv/gpio] Fix gpio test failure

Fix typos for the GPIO sim_cfg file.
One more functional related error still under debug.

Signed-off-by: Cindy Chen <399ad771a111eac8923348b1e2af093034e5d4f1@google.com>

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