[renesas-drivers:topic/renesas-overlays 10/92] drivers/of/overlay.c:657:6: sparse: symbol 'overlay_changeset_release' was not declared. Should it be static?

[kbuild test robot <fengguang.wu@xxxxxxxxx>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git topic/renesas-overlays
head:   47d433a558bb60587eb9f86a4d010ef74e03fa0d
commit: 11de0d24be4742a41feceb95d9145b08843dc70a [10/92] of: overlay: kobjectify overlay objects
reproduce:
        # apt-get install sparse
        git checkout 11de0d24be4742a41feceb95d9145b08843dc70a
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)


Please review and possibly fold the followup patch.

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