coreutils: Add extra hint about DEPENDS changes affect on -dev dependencies

Add an extra comment about the implications of changing DEPENDS.

(From OE-Core rev: ce20c915019d350bf9663b2f27eccf3cef2e29fc)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/coreutils/coreutils_8.31.bb

@@ -150,6 +150,7 @@ inherit ptest
 RDEPENDS_${PN}-ptest += "bash findutils gawk liberror-perl libmodule-build-perl make perl perl-module-file-stat python3-core sed shadow"
 
 # -dev automatic dependencies fails as we don't want libmodule-build-perl-dev, its too heavy
+# may need tweaking if DEPENDS changes
 RRECOMMENDS_coreutils-dev[nodeprrecs] = "1"
 RRECOMMENDS_coreutils-dev = "acl-dev attr-dev gmp-dev libcap-dev bash-dev findutils-dev gawk-dev shadow-dev"