[config] Enable packet sockets and TCP/IP networking

These are necessary for the virtio-net tests.

TEST=guest_integration_tests

Change-Id: Ic6cf0a31d52cd4d4c98f7479309b9cdb94e35d17
diff --git a/arch/arm64/configs/machina_defconfig b/arch/arm64/configs/machina_defconfig
index 2c8d845..edc331fd 100644
--- a/arch/arm64/configs/machina_defconfig
+++ b/arch/arm64/configs/machina_defconfig
@@ -5,7 +5,9 @@
 CONFIG_PCI_HOST_GENERIC=y
 CONFIG_PARAVIRT=y
 CONFIG_NET=y
+CONFIG_PACKET=y
 CONFIG_UNIX=y
+CONFIG_INET=y
 CONFIG_VSOCKETS=y
 CONFIG_VIRTIO_VSOCKETS=y
 CONFIG_DEVTMPFS=y
diff --git a/arch/x86/configs/machina_defconfig b/arch/x86/configs/machina_defconfig
index 95a6498..a2aed73 100644
--- a/arch/x86/configs/machina_defconfig
+++ b/arch/x86/configs/machina_defconfig
@@ -6,7 +6,9 @@
 CONFIG_PARAVIRT=y
 CONFIG_KEXEC=y
 CONFIG_NET=y
+CONFIG_PACKET=y
 CONFIG_UNIX=y
+CONFIG_INET=y
 CONFIG_VSOCKETS=y
 CONFIG_VIRTIO_VSOCKETS=y
 CONFIG_DEVTMPFS=y