package/python-flask-restx: add missing depends on

Since the package was introduced in commit
02de34989560b40a963fa13dddfb4714470fec25, it selects
BR2_PACKAGE_PYTHON_JSONSCHEMA without taking care of its dependencies,
causing the following warning:

WARNING: unmet direct dependencies detected for BR2_PACKAGE_PYTHON_JSONSCHEMA
  Depends on [n]: BR2_PACKAGE_PYTHON3 [=y] && BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS [=n]
  Selected by [y]:
  - BR2_PACKAGE_PYTHON_FLASK_RESTX [=y] && BR2_PACKAGE_PYTHON3 [=y]

Fix this by adding the missing depends on.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/python-flask-restx/Config.in

@@ -1,5 +1,6 @@
 config BR2_PACKAGE_PYTHON_FLASK_RESTX
 	bool "python-flask-restx"
+	depends on BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS # python-jsonschema
 	select BR2_PACKAGE_PYTHON_ANISO8601 # runtime
 	select BR2_PACKAGE_PYTHON_FLASK # runtime
 	select BR2_PACKAGE_PYTHON_JSONSCHEMA # runtime