kleaf: kernel_*_system_dlkm -> kernel_*_images.

Follows the convention.

Test: pass
Bug: 211800737
Change-Id: I4fbcd045e27eb9d5f14f45a3a5b350a002232d7e
diff --git a/kleaf/common_kernels.bzl b/kleaf/common_kernels.bzl
index 082c348..054a809 100644
--- a/kleaf/common_kernels.bzl
+++ b/kleaf/common_kernels.bzl
@@ -132,7 +132,7 @@
         )
 
         kernel_images(
-            name = name + "_system_dlkm",
+            name = name + "_images",
             kernel_build = name,
             kernel_modules_install = name + "_modules_install",
             build_system_dlkm = True,
@@ -143,7 +143,7 @@
             data = [
                 name + "_for_dist",
                 name + "_modules_install",
-                name + "_system_dlkm",
+                name + "_images",
             ],
             flat = True,
         )