Crate e310x

Chip support for the E310 from SiFive.

Modules

• chip
  High-level setup and interrupt mapping for the chip.
• clint
  Machine Timer instantiation.
• gpio
  GPIO instantiation.
• plic
  Instantiation of the sifive Platform Level Interrupt Controller
• prci
  Power Reset Clock Interrupt controller instantiation.
• pwm
  PWM instantiation.
• rtc
  RTC instantiation.
• uart
  UART instantiation.
• watchdog
  Watchdog registers.