n/b/mkimage/osimage: init

Common parts of mkimage were moved to osimage.

mkimage remains in use as a frontend to osimage, with backward
compatible use semantics.

Change-Id: I08c1c44afdf7bf0c07333ab3c6bbebf53ff4d0db
Reviewed-on: https://review.monogon.dev/c/monogon/+/324
Reviewed-by: Sergiusz Bazanski <serge@monogon.tech>
diff --git a/metropolis/node/build/mkimage/BUILD.bazel b/metropolis/node/build/mkimage/BUILD.bazel
index 80c434e..a18bb85 100644
--- a/metropolis/node/build/mkimage/BUILD.bazel
+++ b/metropolis/node/build/mkimage/BUILD.bazel
@@ -5,12 +5,7 @@
     srcs = ["main.go"],
     importpath = "source.monogon.dev/metropolis/node/build/mkimage",
     visibility = ["//visibility:private"],
-    deps = [
-        "@com_github_diskfs_go_diskfs//:go_default_library",
-        "@com_github_diskfs_go_diskfs//disk:go_default_library",
-        "@com_github_diskfs_go_diskfs//filesystem:go_default_library",
-        "@com_github_diskfs_go_diskfs//partition/gpt:go_default_library",
-    ],
+    deps = ["//metropolis/node/build/mkimage/osimage:go_default_library"],
 )
 
 go_binary(