[dv/chip] Fix chip_sw_lc_transition description
[dv/chip] Fix chip_sw_lc_transition description

this PR fixes some description in chip_sw_lc_transition to update
LC transition state names.

Signed-off-by: Cindy Chen <399ad771a111eac8923348b1e2af093034e5d4f1@opentitan.org>

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