core/hw/rsa: Take std::vector instances by value

Allows us to std::move them and allow calling code to eliminate copies
from occurring entirely.

src/core/hw/rsa/rsa.cpp

@@ -74,7 +74,7 @@ void InitSlots() {
     std::vector<u8> exponent(256);
     file.ReadArray(exponent.data(), exponent.size());
 
-    rsa_slots[0] = RsaSlot(exponent, modulus);
+    rsa_slots[0] = RsaSlot(std::move(exponent), std::move(modulus));
     // TODO(B3N30): Initalize the other slots. But since they aren't used at all, we can skip them
     // for now
 }