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/adp-ae3xx_defconfig b/configs/adp-ae3xx_defconfig
index b79b5b6f..9f7b268 100644
--- a/configs/adp-ae3xx_defconfig
+++ b/configs/adp-ae3xx_defconfig
@@ -31,6 +31,7 @@
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_BOOTP_SERVERIP=y
 CONFIG_DM=y
 CONFIG_CLK=y
 CONFIG_MMC=y
diff --git a/configs/adp-ag101p_defconfig b/configs/adp-ag101p_defconfig
index 503f2ae..49108ec 100644
--- a/configs/adp-ag101p_defconfig
+++ b/configs/adp-ag101p_defconfig
@@ -29,6 +29,7 @@
 CONFIG_ENV_ADDR=0x80140000
 CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_BOOTP_SERVERIP=y
 CONFIG_DM=y
 CONFIG_MMC=y
 CONFIG_FTSDC010=y
diff --git a/configs/bitmain_antminer_s9_defconfig b/configs/bitmain_antminer_s9_defconfig
index ffeee33..26dce00 100644
--- a/configs/bitmain_antminer_s9_defconfig
+++ b/configs/bitmain_antminer_s9_defconfig
@@ -57,6 +57,7 @@
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_BOOTP_SERVERIP=y
 CONFIG_SPL_DM_SEQ_ALIAS=y
 CONFIG_BOOTCOUNT_LIMIT=y
 CONFIG_FPGA_XILINX=y
diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig
index d849989..bdf805a 100644
--- a/configs/sandbox64_defconfig
+++ b/configs/sandbox64_defconfig
@@ -96,6 +96,7 @@
 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
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 4f41358..70c6b2f 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -121,6 +121,7 @@
 CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
+CONFIG_BOOTP_SERVERIP=y
 CONFIG_DM_DMA=y
 CONFIG_DEVRES=y
 CONFIG_DEBUG_DEVRES=y
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
diff --git a/configs/sandbox_noinst_defconfig b/configs/sandbox_noinst_defconfig
index 490368e..6679c43 100644
--- a/configs/sandbox_noinst_defconfig
+++ b/configs/sandbox_noinst_defconfig
@@ -96,6 +96,7 @@
 CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
+CONFIG_BOOTP_SERVERIP=y
 CONFIG_SPL_DM=y
 CONFIG_DM_DMA=y
 CONFIG_REGMAP=y
diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig
index f1a54ac..fddf132 100644
--- a/configs/sandbox_spl_defconfig
+++ b/configs/sandbox_spl_defconfig
@@ -98,6 +98,7 @@
 CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
+CONFIG_BOOTP_SERVERIP=y
 CONFIG_SPL_DM=y
 CONFIG_DM_DMA=y
 CONFIG_REGMAP=y