configs: add qemu_arm64_lwip_defconfig

Add qemu_arm64_lwip_defconfig which #include's qemu_arm64_defconfig and
selects NET_LWIP instead of NET. This config has all the supported net
commands enabled.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/configs/qemu_arm64_lwip_defconfig b/configs/qemu_arm64_lwip_defconfig
new file mode 100644
index 0000000..d3d8ef1
--- /dev/null
+++ b/configs/qemu_arm64_lwip_defconfig
@@ -0,0 +1,9 @@
+#include <configs/qemu_arm64_defconfig>
+
+CONFIG_ARM=y
+CONFIG_ARCH_QEMU=y
+
+CONFIG_NET_LWIP=y
+CONFIG_CMD_DNS=y
+CONFIG_CMD_WGET=y
+CONFIG_EFI_HTTP_BOOT=y