rust: add kunitconfig

The kunitconfig file in a directory is used by kunit.py to enable all
necessary kernel configurations to run the tests in that subdirectory.
Add such a file for rust/.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: David Gow <davidgow@google.com>
Link: https://lore.kernel.org/r/20250208-rust-kunit-v1-2-94a026be6d72@weissschuh.net
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

diff --git a/rust/.kunitconfig b/rust/.kunitconfig
new file mode 100644 (file)
index 0000000..9e72a5a
--- /dev/null
+++ b/rust/.kunitconfig
@@ -0,0 +1,3 @@
+CONFIG_KUNIT=y
+CONFIG_RUST=y
+CONFIG_RUST_KERNEL_DOCTESTS=y