app-misc/livecd-tools: EAPI=7 and other updates

- Point HOMEPAGE at gitweb
- Check for CONFIG_SND_PROC_FS for the unmute service
- Drop gawk/sed dependencies since they're part of the base system
- Depend on media-sound/alsa-utils (bug #561498)

Closes: https://bugs.gentoo.org/561498
Signed-off-by: Matt Turner <mattst88@gentoo.org>

app-misc/livecd-tools/livecd-tools-9999.ebuild

@@ -1,7 +1,9 @@
 # Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=6
+EAPI=7
+
+inherit linux-info
 
 if [[ ${PV} == "9999" ]]; then
 	EGIT_REPO_URI="git://anongit.gentoo.org/proj/livecd-tools.git"
@@ -12,25 +14,26 @@ else
 fi
 
 DESCRIPTION="Gentoo LiveCD tools for autoconfiguration of hardware"
-HOMEPAGE="https://wiki.gentoo.org/wiki/No_homepage"
+HOMEPAGE="https://gitweb.gentoo.org/proj/livecd-tools.git/"
 
 SLOT="0"
 LICENSE="GPL-2"
-IUSE=""
 
-RDEPEND="dev-util/dialog
+RDEPEND="
+	dev-util/dialog
+	media-sound/alsa-utils
 	net-dialup/mingetty
-	>=sys-apps/baselayout-2
-	>=sys-apps/openrc-0.8.2-r1
+	sys-apps/openrc
 	sys-apps/pciutils
-	sys-apps/gawk
-	sys-apps/sed
 "
 
 pkg_setup() {
-		ewarn "This package is designed for use on the LiveCD only and will do"
-		ewarn "unspeakably horrible and unexpected things on a normal system."
-		ewarn "YOU HAVE BEEN WARNED!!!"
+	ewarn "This package is designed for use on the LiveCD only and will do"
+	ewarn "unspeakably horrible and unexpected things on a normal system."
+	ewarn "YOU HAVE BEEN WARNED!!!"
+
+	CONFIG_CHECK="~SND_PROC_FS"
+	linux-info_pkg_setup
 }
 
 src_install() {