Fix verilator_waiver.vlt

Author: olofk

data/verilator_waiver.vlt

@@ -1,6 +1,6 @@
 `verilator_config
 // Bits [1:0] in i_wb_rdt are not used at all
-lint_off -rule UNUSED -file "*/serv_top.v" -lines 182
+lint_off -rule UNUSED -file "*/serv_top.v" -lines 179
 
 //Some bits in the instruction word are not used in serv_decode but it's easier
 //to just send in the whole word than picking out bits