contrib: Disable libmnl dependency cross-compiling osmo-pcu

Only newest OE SDKs have libmnl added, but we don't need this feature
anyway, so let's disable it in order to get builds running fine again.

Change-Id: Id3b30d0b183cd21fd6df89fdda5581ab58c7a9a5
diff --git a/contrib/jenkins-build-osmo-pcu-oc2g.sh b/contrib/jenkins-build-osmo-pcu-oc2g.sh
index d2ae028..5e85c6e 100755
--- a/contrib/jenkins-build-osmo-pcu-oc2g.sh
+++ b/contrib/jenkins-build-osmo-pcu-oc2g.sh
@@ -24,7 +24,7 @@
 git_url="${prev_git_url}"
 L1_OC2G_HEADERS="$PWD/oc2g-fw/inc"
 
-build_repo libosmocore --disable-pcsc --disable-doxygen --disable-gnutls --disable-detect-tls-gcc-arm-bug
+build_repo libosmocore --disable-pcsc --disable-libmnl --disable-doxygen --disable-gnutls --disable-detect-tls-gcc-arm-bug
 build_repo osmo-pcu --disable-sysmocom-dsp -enable-oc2gbts-phy --with-oc2g="$L1_OC2G_HEADERS"
 
 create_bin_tgz osmo-pcu
diff --git a/contrib/jenkins-build-osmo-pcu-sysmo.sh b/contrib/jenkins-build-osmo-pcu-sysmo.sh
index 789b0c0..86d53da 100755
--- a/contrib/jenkins-build-osmo-pcu-sysmo.sh
+++ b/contrib/jenkins-build-osmo-pcu-sysmo.sh
@@ -18,7 +18,7 @@
 prefix_real="$DESTDIR$prefix"
 . "$(dirname "$0")/jenkins-build-common.sh"
 
-build_repo libosmocore --disable-pcsc --disable-doxygen --disable-gnutls --disable-detect-tls-gcc-arm-bug
+build_repo libosmocore --disable-pcsc --disable-libmnl --disable-doxygen --disable-gnutls --disable-detect-tls-gcc-arm-bug
 build_repo osmo-pcu --enable-sysmocom-dsp
 
 create_bin_tgz osmo-pcu