liboping: bump to version 1.7.0

Also add hash file.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/liboping/liboping.hash

@@ -0,0 +1,2 @@
+# From http://verplant.org/liboping/#download
+sha256	25cf9417fe84d70c4b1bd97f1f92e597ccdc1ec2da3b7eb311f33f5e7033a70e	liboping-1.7.0.tar.gz

package/liboping/liboping.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBOPING_VERSION = 1.6.2
+LIBOPING_VERSION = 1.7.0
 LIBOPING_SITE = http://verplant.org/liboping/files
 LIBOPING_INSTALL_STAGING = YES
 LIBOPING_DEPENDENCIES = $(if $(BR2_PACKAGE_NCURSES),ncurses)