Jacuzzi: Set parent to kukui

Jacuzzi shares the same firmware branch with Kukui. Set parent to kukui
so that we can get Jacuzzi firmware package from kukui firmware branch.

BUG=b:158694842
TEST=Run firmware_Cr50CCDFirmwareUpdate

Change-Id: Id7a240f0cd3979d5b1b13b283a2beb7388c44e88
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/fw-testing-configs/+/2275720
Tested-by: Chen-Tsung Hsieh <chentsung@chromium.org>
Reviewed-by: Namyoon Woo <namyoon@chromium.org>
Reviewed-by: Bhanu Prakash Maiya <bhanumaiya@chromium.org>
Commit-Queue: Chen-Tsung Hsieh <chentsung@chromium.org>
diff --git a/jacuzzi.json b/jacuzzi.json
index 78052a3..4bf1742 100644
--- a/jacuzzi.json
+++ b/jacuzzi.json
@@ -1,5 +1,6 @@
 {
     "platform": "jacuzzi",
+    "parent": "kukui",
     "has_keyboard": true,
     "chrome_ec": true,
     "ec_capability": [