configs: Remove dead CONFIG options

BOOTP_DEFAULT is defined in several boards, but this config
option is never checked or used.

This patch removes this config option from config files and
the whitelist.txt

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/include/configs/am335x_shc.h b/include/configs/am335x_shc.h
index c88067c..7240ff6 100644
--- a/include/configs/am335x_shc.h
+++ b/include/configs/am335x_shc.h
@@ -239,7 +239,6 @@
 #undef CONFIG_TIMER
 #endif
 
-#define CONFIG_BOOTP_DEFAULT
 #define CONFIG_NET_RETRY_COUNT         10
 
 /* I2C configuration */
diff --git a/include/configs/am3517_evm.h b/include/configs/am3517_evm.h
index 42f1d31..f71ae11 100644
--- a/include/configs/am3517_evm.h
+++ b/include/configs/am3517_evm.h
@@ -32,7 +32,6 @@
 /* I2C */
 
 /* Ethernet */
-#define CONFIG_BOOTP_DEFAULT
 #define CONFIG_NET_RETRY_COUNT		10
 
 /* Board NAND Info. */
diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h
index 6788cb0..8355b4a 100644
--- a/include/configs/am43xx_evm.h
+++ b/include/configs/am43xx_evm.h
@@ -192,7 +192,6 @@
 
 #ifndef CONFIG_SPL_BUILD
 /* CPSW Ethernet */
-#define CONFIG_BOOTP_DEFAULT
 #define CONFIG_NET_RETRY_COUNT		10
 #endif
 
diff --git a/include/configs/cm_t43.h b/include/configs/cm_t43.h
index 857a5d8..73205d0 100644
--- a/include/configs/cm_t43.h
+++ b/include/configs/cm_t43.h
@@ -43,7 +43,6 @@
 					 50, 51, 52, 53, 54, 55, 56, 57, }
 
 /* CPSW Ethernet support */
-#define CONFIG_BOOTP_DEFAULT
 #define CONFIG_SYS_RX_ETH_BUFFER	64
 
 /* USB support */
diff --git a/include/configs/omapl138_lcdk.h b/include/configs/omapl138_lcdk.h
index 6d552b0..a37359e 100644
--- a/include/configs/omapl138_lcdk.h
+++ b/include/configs/omapl138_lcdk.h
@@ -152,7 +152,6 @@
  * Network & Ethernet Configuration
  */
 #ifdef CONFIG_DRIVER_TI_EMAC
-#define CONFIG_BOOTP_DEFAULT
 #define CONFIG_NET_RETRY_COUNT	10
 #endif
 
diff --git a/include/configs/siemens-am33x-common.h b/include/configs/siemens-am33x-common.h
index f639b15..cefc457 100644
--- a/include/configs/siemens-am33x-common.h
+++ b/include/configs/siemens-am33x-common.h
@@ -162,7 +162,6 @@
  * 0x442000 - 0x800000 : Userland
  */
 
-#define CONFIG_BOOTP_DEFAULT
 #define CONFIG_NET_RETRY_COUNT         10
 
 /* NAND support */
diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h
index cb20dc0..cfc2be7 100644
--- a/include/configs/ti_armv7_keystone2.h
+++ b/include/configs/ti_armv7_keystone2.h
@@ -66,7 +66,6 @@
 #define CONFIG_SYS_SPI_CLK		ks_clk_get_rate(KS2_CLK1_6)
 
 /* Network Configuration */
-#define CONFIG_BOOTP_DEFAULT
 #define CONFIG_NET_RETRY_COUNT		32
 #define CONFIG_SYS_SGMII_REFCLK_MHZ	312
 #define CONFIG_SYS_SGMII_LINERATE_MHZ	1250
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 665c906..82de978 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -123,7 +123,6 @@
 CONFIG_BOOTP_
 CONFIG_BOOTP_BOOTFILE
 CONFIG_BOOTP_BOOTFILESIZE
-CONFIG_BOOTP_DEFAULT
 CONFIG_BOOTP_DHCP_REQUEST_DELAY
 CONFIG_BOOTP_ID_CACHE_SIZE
 CONFIG_BOOTP_MAY_FAIL