libcap-ng: bump to version 0.7.7

Signed-off-by: Sergio Prado <sergio.prado@e-labworks.com>
[Thomas: remove nios2 hacks, no longer needed.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libcap-ng/libcap-ng.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256	48a2083276f9820cb92dcb05d001b30733bcbf48c14c230303cac3cd08b45b6b	libcap-ng-0.7.4.tar.gz
+sha256	615549ce39b333f6b78baee0c0b4ef18bc726c6bf1cca123dfd89dd963f6d06b  libcap-ng-0.7.7.tar.gz

package/libcap-ng/libcap-ng.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBCAP_NG_VERSION = 0.7.4
+LIBCAP_NG_VERSION = 0.7.7
 LIBCAP_NG_SITE = http://people.redhat.com/sgrubb/libcap-ng
 LIBCAP_NG_LICENSE = GPLv2+ LGPLv2.1+
 LIBCAP_NG_LICENSE_FILES = COPYING COPYING.LIB