gnu: libblockdev: Fix inputs.

Add missing inputs; make util-linux a regular input since libblockdev
retains references to it.

* gnu/packages/disk.scm (libblockdev):
[native-inputs]: Move util-linux...
[inputs]: ... here.  Add bcache-tools, e2fsprogs, gptfdisk, multipath-tools,
and ntfs-3g.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/packages/disk.scm

@@ -1207,24 +1207,29 @@ to create devices with respective mappings for the ATARAID sets discovered.")
     (native-inputs
      (list gobject-introspection
            pkg-config
-           python-wrapper
-           util-linux))
+           python-wrapper))
     (inputs
      (append
       (cons cryptsetup (libcryptsetup-propagated-inputs))
-      (list btrfs-progs
+      (list bcache-tools
+            btrfs-progs
             dosfstools
             dmraid
+            e2fsprogs
             eudev
             glib
+            gptfdisk
             kmod
             libbytesize
             libyaml
             lvm2
             mdadm
+            multipath-tools
             ndctl
             nss
+            ntfs-3g
             parted
+            util-linux
             volume-key
             xfsprogs)))
     (home-page "https://github.com/storaged-project/libblockdev")