Add bt_ APIs to the generated bindings

Add bt_ APIs to the generated bindings to enable bluetooth
application development.

Author: jilu-ot

zephyr-sys/build.rs

@@ -72,6 +72,7 @@ fn main() -> Result<()> {
         .allowlist_function("gpio_.*")
         .allowlist_function("sys_.*")
         .allowlist_function("z_log.*")
+        .allowlist_function("bt_.*")
         .allowlist_item("E.*")
         .allowlist_item("K_.*")
         .allowlist_item("ZR_.*")