non-repro-meta-networking: exclude packages that failed previously

Those are the non-reproducible packages from:
https://autobuilder.yoctoproject.org/typhoon/#/builders/155/builds/43

Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-networking/conf/include/non-repro-meta-networking.inc

@@ -47,9 +47,12 @@ KNOWN_NON_REPRO_META_NETWORKING = " \
     proftpd-dev \
     rdist \
     rdist-dbg \
+    rp-pppoe \
     samba-dbg \
     tayga \
     tayga-dbg \
+    udpcast-doc \
+    unbound-doc \
     wolfssl \
     wolfssl-dbg \
     znc \