numactl: install to the staging directory as well

In addition to building programs, numactl also builds a library and
its corresponding header files, which can be used by other programs
such as hwloc.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/numactl/numactl.mk

@@ -8,6 +8,7 @@ NUMACTL_VERSION = 2.0.10
 NUMACTL_SITE = ftp://oss.sgi.com/www/projects/libnuma/download
 NUMACTL_LICENSE = LGPLv2.1 (libnuma), GPLv2 (programs)
 NUMACTL_LICENSE_FILES = README
+NUMACTL_INSTALL_STAGING = YES
 
 # numactl tarball doesn't contain a pregenerated configure script.
 NUMACTL_AUTORECONF = YES