zenfone7: Track A12.1 device common and kernel repo

Change-Id: I20e4be4697c15792aefc9ad14ecd0afdc072ff65
diff --git a/omni.dependencies b/omni.dependencies
index 68ad3aa..3a1a3e8 100644
--- a/omni.dependencies
+++ b/omni.dependencies
@@ -3,12 +3,12 @@
     "remote": "omnirom",
     "repository": "android_device_asus_sm8250-common",
     "target_path": "device/asus/sm8250-common",
-    "revision": "android-11"
+    "revision": "android-12.1"
   },
   {
     "remote": "omnirom",
     "repository": "android_kernel_asus_sm8250",
     "target_path": "kernel/asus/sm8250",
-    "revision": "android-11"
+    "revision": "android-12.1"
   }
 ]