powerpc/configs/64s: Enable VLAN support

Most other configs, and distros enable it.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230414132415.821564-26-mpe@ellerman.id.au

arch/powerpc/configs/ppc64_defconfig

@@ -111,6 +111,7 @@ CONFIG_INET_IPCOMP=m
 CONFIG_NETFILTER=y
 # CONFIG_NETFILTER_ADVANCED is not set
 CONFIG_BRIDGE=m
+CONFIG_VLAN_8021Q=m
 CONFIG_NET_SCHED=y
 CONFIG_NET_CLS_BPF=m
 CONFIG_NET_CLS_ACT=y