Typo fix in muldiv: Reminder->Remainder
Typo fix in muldiv: Reminder->Remainder

I am pretty sure this is about the remainder of the operation.

AmbiML/ibex,AmbiML/ibex,lowRISC/ibex,AmbiML/ibex,lowRISC/ibex,lowRISC/ibex,lowRISC/ibex,AmbiML/ibex