package/squashfs: add selection for the host variant

If any of the post-image scripts wants to handle squashfs filesystems,
we need to expose an option for squashfs-tools to be user-selectable.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Ryan Barnett <rjbarnet@rockwellcollins.com>
Acked-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/Config.in.host

@@ -13,6 +13,7 @@ source "package/omap-u-boot-utils/Config.in.host"
 source "package/openocd/Config.in.host"
 source "package/parted/Config.in.host"
 source "package/sam-ba/Config.in.host"
+source "package/squashfs/Config.in.host"
 source "package/sunxi-tools/Config.in.host"
 source "package/uboot-tools/Config.in.host"
 source "package/util-linux/Config.in.host"

package/squashfs/Config.in.host

@@ -0,0 +1,6 @@
+config BR2_PACKAGE_HOST_SQUASHFS
+	bool "host squashfs"
+	help
+	  Tools to generate SquashFS filesystems.
+
+	  http://squashfs.sourceforge.net/