Introducing fast RISC-V interrupts support in Renode for real time applications

Real time applications such as space or automotive where instant autonomous decision making is crucial require configurable standardized interrupt controllers. There are many well-known examples such as the Global Interrupt Controller (GIC) for Cortex-A, Nested Vectored Interrupt Controller (NVIC) for Cortex-M, Platform Level Interrupt Controller (PLIC) or Core Local Interruptor (CLINT) for RISC‑V, etc., and some vendors introduce their own custom interrupt controllers working on top of the standard ones.

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