tests: CONFIG_TEST_USERSPACE selects CONFIG_USERSPACE

CONFIG_TEST_USERSPACE should select CONFIG_USERSPACE as they
should be enabled together. It is no use to enable userspace
tests without enabling userspace.

Signed-off-by: Daniel Leung <[email protected]>

Author: dcpleung

subsys/testsuite/Kconfig

@@ -132,7 +132,7 @@ config TEST_ENABLE_USERSPACE
 	bool
 	depends on TEST_USERSPACE
 	depends on ARCH_HAS_USERSPACE
-	imply USERSPACE
+	select USERSPACE
 	imply DYNAMIC_OBJECTS
 	default y
 	help