aespipe: add host variant

Having the host version may allow post-image scripts to encrypt the
resulting image with aespipe (and decrypt it in the update tool on the
target).

Signed-off-by: Ariel D'Alessandro <ariel@vanguardiasur.com.ar>
[Thomas: rewrap Config.in help text, tweak commit title.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/Config.in.host

@@ -1,5 +1,6 @@
 menu "Host utilities"
 
+	source "package/aespipe/Config.in.host"
 	source "package/checkpolicy/Config.in.host"
 	source "package/cramfs/Config.in.host"
 	source "package/dfu-util/Config.in.host"

package/aespipe/Config.in.host

@@ -0,0 +1,10 @@
+config BR2_PACKAGE_HOST_AESPIPE
+	bool "host aespipe"
+	help
+	  aespipe program is AES encrypting or decrypting pipe. It
+	  reads from standard input and writes to standard output. It
+	  can be used to create and restore encrypted tar or cpio
+	  archives. It can be used to encrypt and decrypt loop-AES
+	  compatible encrypted disk images.
+
+	  http://koti.tnnet.fi/jari.ruusu/linux/

package/aespipe/aespipe.mk

@@ -10,3 +10,4 @@ AESPIPE_SITE = http://loop-aes.sourceforge.net/aespipe
 AESPIPE_LICENSE = GPL
 
 $(eval $(autotools-package))
+$(eval $(host-autotools-package))