Enable reset pin functionality by default on Pi Pico

This was disabled in commit 0761424

include/board_pico_config.h

diff --git a/include/board_pico_config.h b/include/board_pico_config.h
index d695dc6..dd22f0a 100644
--- a/include/board_pico_config.h
+++ b/include/board_pico_config.h
@@ -35,9 +35,7 @@
 #define PROBE_PIN_SWCLK (PROBE_PIN_OFFSET + 0) // 2
 #define PROBE_PIN_SWDIO (PROBE_PIN_OFFSET + 1) // 3
 // Target reset config
-#if false
 #define PROBE_PIN_RESET 1
-#endif
 
 // UART config
 #define PROBE_UART_TX 4