Various corrections to simplify the user project I/O wiring
connections into the management area. Corrected testbenches
for hkspi, mem, uart, perf, and gpio.
diff --git a/verilog/dv/caravel/defs.h b/verilog/dv/caravel/defs.h
index ac5dfdf..660b103 100644
--- a/verilog/dv/caravel/defs.h
+++ b/verilog/dv/caravel/defs.h
@@ -15,6 +15,7 @@
// UART (0x2000_0000)
#define reg_uart_clkdiv (*(volatile uint32_t*)0x20000000)
#define reg_uart_data (*(volatile uint32_t*)0x20000004)
+#define reg_uart_enable (*(volatile uint32_t*)0x20000008)
// GPIO (0x2100_0000)
#define reg_gpio_data (*(volatile uint32_t*)0x21000000)