Convert CONFIG_BOOTP_SERVERIP to Kconfig
This converts the following to Kconfig:
CONFIG_BOOTP_SERVERIP
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/sandbox_flattree_defconfig b/configs/sandbox_flattree_defconfig
index 4d5a73f..3f69fb7 100644
--- a/configs/sandbox_flattree_defconfig
+++ b/configs/sandbox_flattree_defconfig
@@ -76,6 +76,7 @@
CONFIG_BOOTP_SEND_HOSTNAME=y
CONFIG_NETCONSOLE=y
CONFIG_IP_DEFRAG=y
+CONFIG_BOOTP_SERVERIP=y
CONFIG_DM_DMA=y
CONFIG_REGMAP=y
CONFIG_SYSCON=y