Add portal web simulator, SPI bridges, and Pico firmware updates.

Bring the five-panel hex portal online with a browser 3D/schematic preview, Pi SPI backends, and renamed multi-panel Pico UDP firmware.

Co-authored-by: Cursor <cursoragent@cursor.com>

firmware/pico/wizchip_spi.h

@@ -0,0 +1,14 @@
+#ifndef WIZCHIP_SPI_H
+#define WIZCHIP_SPI_H
+
+#include "wizchip_conf.h"
+
+void wizchip_spi_initialize(void);
+void wizchip_cris_initialize(void);
+void wizchip_reset(void);
+void wizchip_initialize(void);
+void wizchip_check(void);
+void network_initialize(wiz_NetInfo net_info);
+void print_network_information(wiz_NetInfo net_info);
+
+#endif