fwupd: add conditional runtime dependency to udisks2

fwupdtool uses udisks2 to setup access to ESP partition.
udisks2 depends on polkit feature so make the dependency
conditional in fwupd too. The dependency is not needed
for all usecases.

Signed-off-by: Mikko Rapeli <mikko.rapeli@linaro.org>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-bsp/fwupd/fwupd_2.0.12.bb

@@ -85,4 +85,7 @@ FILES:${PN}-ptest += "${libexecdir}/installed-tests/ \
                       ${datadir}/installed-tests/"
 RDEPENDS:${PN}-ptest += "gnome-desktop-testing python3"
 
+# ESP mounting, not strictly necessary
+RRECOMMENDS:${PN} += "${@bb.utils.contains('DISTRO_FEATURES', 'polkit', 'udisks2', '', d)}"
+
 INSANE_SKIP:${PN}-ptest += "buildpaths"