package/netdata: disable unit tests

Disable unit tests which are enabled by default if cmocka is found since
the addition of the package in commit
1d2bb469078b5818aa2390b9868cd632200f17a2

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Reviewed-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/netdata/netdata.mk

@@ -10,7 +10,9 @@ NETDATA_LICENSE = GPL-3.0+
 NETDATA_LICENSE_FILES = LICENSE
 # netdata's source code is released without a generated configure script
 NETDATA_AUTORECONF = YES
-NETDATA_CONF_OPTS = --disable-dbengine
+NETDATA_CONF_OPTS = \
+	--disable-dbengine \
+	--disable-unit-tests
 NETDATA_DEPENDENCIES = libuv util-linux zlib
 
 ifeq ($(BR2_GCC_ENABLE_LTO),y)