Add Core to SystemBus registration

Core specific memory should have this according to AntMicro.

Change-Id: Ia95e972c62b86faf13178c9f041928f9241c8bbd

shodan_infrastructure/SpringbokRiscV32.cs

diff --git a/shodan_infrastructure/SpringbokRiscV32.cs b/shodan_infrastructure/SpringbokRiscV32.cs
index 8d348d9..cd69f8a 100644
--- a/shodan_infrastructure/SpringbokRiscV32.cs
+++ b/shodan_infrastructure/SpringbokRiscV32.cs
@@ -291,7 +291,7 @@
                         {
                             this.Log(LogLevel.Noisy, "Resetting core.");
                             Core.Reset();
-                            ulong startAddress = (val & ~(ulong)Mode.Mask) + Machine.SystemBus.GetRegistrationPoints(IMem).First().Range.StartAddress;
+                            ulong startAddress = (val & ~(ulong)Mode.Mask) + Machine.SystemBus.GetRegistrationPoints(IMem, Core).First().Range.StartAddress;
                             this.Log(LogLevel.Noisy, "Setting PC to 0x{0:X}.", startAddress);
                             Core.PC = startAddress;
                         }