Update contrib.
2 _Z17VariantInitialisev @ 1 NONAME
3 _ZN7Variant10PowerResetEv @ 2 NONAME
4 _ZN7Variant14BaseLinAddressEv @ 3 NONAME
5 _ZN7Variant16MarkDebugPortOffEv @ 4 NONAME
6 _ZN7Variant8SwitchesEv @ 5 NONAME
7 _ZN7Variant8UartInitEv @ 6 NONAME