ubus: update to the latest version, adds support for monitoring system bus traffic

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 47531

package/system/ubus/Makefile

 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ubus
-PKG_VERSION:=2015-07-07
+PKG_VERSION:=2015-11-19
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=http://git.openwrt.org/project/ubus.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=7ec9b8dec77b969bfc860995f96fe91fd40ba5e4
+PKG_SOURCE_VERSION:=259450f414d8c9ee41896e8e6d6bc57ec00e2b63
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_MD5SUM:=
 CMAKE_INSTALL:=1