[prim] Update signal name in lint waiver rule
[prim] Update signal name in lint waiver rule

The corresponding signal got renamed at some point. This commit also
updates the lint waiver rule accordingly.

Signed-off-by: Pirmin Vogel <386a7fc8e7338ed7899b4d9883c0ebec5de81366@lowrisc.org>

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