[prim_assert] Fix ASSERT_FPV_LINEAR_FSM
[prim_assert] Fix ASSERT_FPV_LINEAR_FSM

This assertion should handle an lc reset, even though the reset and idle
states will be revisited.

Signed-off-by: Guillermo Maturana <085716c7110d3f31793f7d964c2e5fd26da1c550@google.com>

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