s6-rc: expose the host variant in menuconfig

Some users may want to build the s6-rc service database offline using a
post-build script. So make the host variant visible in menuconfig.

Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/Config.in.host

@@ -38,6 +38,7 @@ menu "Host utilities"
 	source "package/pwgen/Config.in.host"
 	source "package/qemu/Config.in.host"
 	source "package/raspberrypi-usbboot/Config.in.host"
+	source "package/s6-rc/Config.in.host"
 	source "package/sam-ba/Config.in.host"
 	source "package/squashfs/Config.in.host"
 	source "package/sunxi-tools/Config.in.host"

package/s6-rc/Config.in.host

@@ -0,0 +1,8 @@
+config BR2_PACKAGE_HOST_S6_RC
+	bool "host s6-rc"
+	depends on BR2_PACKAGE_S6_RC
+	help
+	  This package provides the host variant of the s6-rc tools,
+	  required to build the s6-rc service database offline.
+
+	  http://skarnet.org/software/s6-rc/