networkmanager: use built in dhcp client

Network Manager does not support dhcpcd with IPv6. Fixes issue #45

main/postmarketos-base/APKBUILD

@@ -67,7 +67,7 @@ x11() {
 
 sha512sums="38dc75c0ed32b76dccd3d8e7e8173e8b7d91847cf2b07123f376b95af46b4f89798b24f45302a0726fdc1cf253aecaac140f431735ac5c6511553f790badd0af  firmwareload.sh
 0b098828080055d3646ea54891cb0e1b578cbc30f5e16f7284f2814c08192f18079a38fb686d192715ae6a3d2cd6625d9e3cf99f234a6f0d94088bb0cb2ce43d  50-firmware.rules
-e94d351c3bb7fb7625a0eb1cc7c488e8c2f449bc946e1f2d0ea8b5f90c4c0bfc70de679fbd1f96148abccd7c74bd3081a0b07f80a556247097298565c281cb2f  networkmanager.conf
+a525bd9716aff2ded60ae5e6f7c369d73b03d984b09f12e65d32e2fb3f1538ca0e330752b2c55df6a1ab29867cbf2d22e38c32523af9e9b46bb06085fcb3fcec  networkmanager.conf
 3ceeee37f558e7c95ad973692b6a437f997e6b46c3d1c2257ddfb1529a5633477373aa123c7f08164e818daae50acb203d151379f27ca11bd458809e6a0d4de7  swapfile
 f5cc0f1265955d2646e5f099dd4b5d4c287945bfc18c16044db57670d456f55c678fc11cc59e6dab3fa340832ce869d516302a3a35c13518539ed0cedca51819  swapfile.init
 e0d2d48b82a03239a4c0a00acaf83e00d397c23a8d7c71053d4e2a383357c22dcedef9e81b0e12a1d7514e1fdbe0bb3eb82613d18b29034a7ce5447f13c84a53  swapfile.conf"

main/postmarketos-base/networkmanager.conf

 [main]
 plugins+=ifupdown
-dhcp=dhcpcd
+dhcp=internal
 
 [ifupdown]
 managed=true