docgen: Enable async features for doc generation

Enable the async functionality so it will be included in the generated
documentation.  This also requires enabling an additional KConfig needed
to be able to configure the state of interrupts on gpios.

Signed-off-by: David Brown <[email protected]>

Author: d3zd3z

docgen/Cargo.toml

@@ -13,4 +13,4 @@ license = "Apache-2.0 or MIT"
 crate-type = ["staticlib"]
 
 [dependencies]
-zephyr = "0.1.0"
+zephyr = { version = "0.1.0", features = ["executor-zephyr", "async-drivers"] }

docgen/prj.conf

@@ -4,5 +4,6 @@
 CONFIG_RUST=y
 CONFIG_RUST_ALLOC=y
 CONFIG_GPIO=y
+CONFIG_GPIO_ENABLE_DISABLE_INTERRUPT=y
 CONFIG_PRINTK=y
 CONFIG_POLL=y