kde-plasma/powerdevil: allow sys-apps/tuned as a dependency

Also default to tuned-ppd. Development of power-profiles-daemon appears
to have stalled, with no activity in >6 months, meanwhile other distros
have begun switching to using tuned as the default p-p-d implementation.

Signed-off-by: Kenton Groombridge <concord@gentoo.org>

kde-plasma/powerdevil/powerdevil-6.4.5-r1.ebuild

@@ -58,6 +58,7 @@ RDEPEND="${COMMON_DEPEND}
 	!<kde-plasma/plasma-workspace-6.1.90:*
 	>=dev-qt/qtdeclarative-${QTMIN}:6
 	|| (
+		sys-apps/tuned[ppd]
 		sys-power/power-profiles-daemon
 		sys-power/tlp
 	)

kde-plasma/powerdevil/powerdevil-6.5.2-r1.ebuild

@@ -58,6 +58,7 @@ RDEPEND="${COMMON_DEPEND}
 	!<kde-plasma/plasma-workspace-6.1.90:*
 	>=dev-qt/qtdeclarative-${QTMIN}:6
 	|| (
+		sys-apps/tuned[ppd]
 		sys-power/power-profiles-daemon
 		sys-power/tlp
 	)