Change partition ID to 0x776966696669726d (wififirm) and use data UF2 family

Adds CYW43_WIFI_FW_PARTITION_ID define to override the partition ID

Author: will-v-pi

src/rp2_common/pico_cyw43_driver/CMakeLists.txt

@@ -215,8 +215,8 @@ if (EXISTS ${PICO_CYW43_DRIVER_PATH}/${CYW43_DRIVER_TEST_FILE})
         pico_hash_binary(${TARGET}_firmware)
         pico_hash_binary(${TARGET}_firmware_tbyb)
 
-        pico_set_uf2_family(${TARGET}_firmware 0x12345678)
-        pico_set_uf2_family(${TARGET}_firmware_tbyb 0x12345678)
+        pico_set_uf2_family(${TARGET}_firmware data)
+        pico_set_uf2_family(${TARGET}_firmware_tbyb data)
 
         pico_package_uf2_output(${TARGET}_firmware 0x10000000)
         pico_package_uf2_output(${TARGET}_firmware_tbyb 0x10000000)

src/rp2_common/pico_cyw43_driver/cyw43_driver.c

@@ -27,6 +27,11 @@ static async_context_t *cyw43_async_context = NULL;
     #include "boot/picobin.h"
     #include <stdlib.h>
 
+    // PICO_CONFIG: CYW43_WIFI_FW_PARTITION_ID, ID of Wi-Fi firmware partition, type=int, default=0x776966696669726d (wififirm), group=pico_cyw43_driver
+    #ifndef CYW43_WIFI_FW_PARTITION_ID
+    #define CYW43_WIFI_FW_PARTITION_ID 0x776966696669726d // wififirm
+    #endif
+
     int32_t cyw43_wifi_fw_len;
     int32_t cyw43_clm_len;
     uintptr_t fw_data;
@@ -134,7 +139,7 @@ bool cyw43_driver_init(async_context_t *context) {
                 uint64_t id = 0;
                 id |= buffer[i++];
                 id |= ((uint64_t)(buffer[i++]) << 32ull);
-                if (id == 0x123456789abcdef0) {
+                if (id == CYW43_WIFI_FW_PARTITION_ID) {
                     picked_p = p;
                 }
             }

src/rp2_common/pico_cyw43_driver/wifi_pt.json

@@ -23,10 +23,10 @@
     },
     {
       "name": "Wi-Fi Firmware",
-      "id": "0x123456789abcdef0",
+      "id": "0x776966696669726d",
       "start": "3500k",
       "size": "240K",
-      "families": ["0x12345678"],
+      "families": ["data"],
       "permissions": {
         "secure": "rw",
         "nonsecure": "rw",
@@ -38,7 +38,7 @@
     {
       "start": "3500k",
       "size": "240k",
-      "families": ["0x12345678"],
+      "families": ["data"],
       "permissions": {
         "secure": "rw",
         "nonsecure": "rw",