Finalize U kernel requirements.

Test: TH
Change-Id: Ib8805dfe93d22353f17f94c29962f171ad72749f
diff --git a/compatibility_matrices/Android.bp b/compatibility_matrices/Android.bp
index 622835e..93b5380 100644
--- a/compatibility_matrices/Android.bp
+++ b/compatibility_matrices/Android.bp
@@ -78,7 +78,7 @@
         "compatibility_matrix.8.xml",
     ],
     kernel_configs: [
-        "kernel_config_current_5.15",
-        "kernel_config_current_6.1",
+        "kernel_config_u_5.15",
+        "kernel_config_u_6.1",
     ],
 }