[RISCV] Add missing 'OrP' to comment in RISCVInstrInfoZb.td. NFC

Author: topperc

llvm/lib/Target/RISCV/RISCVInstrInfoZb.td

@@ -399,7 +399,7 @@ def MAX  : ALU_rr<0b0000101, 0b110, "max", Commutable=1>,
            Sched<[WriteIMinMax, ReadIMinMax, ReadIMinMax]>;
 def MAXU : ALU_rr<0b0000101, 0b111, "maxu", Commutable=1>,
            Sched<[WriteIMinMax, ReadIMinMax, ReadIMinMax]>;
-} // Predicates = [HasStdExtZbb]
+} // Predicates = [HasStdExtZbbOrP]
 
 let Predicates = [HasStdExtZbkbOrP] in
 def PACK  : ALU_rr<0b0000100, 0b100, "pack">,