Kconfig: Drop CONFIG_CMD_DS4510_RST

This option is only used in one driver and is not enabled by any board. It
does not seem worth having the ability to remove this part of the support.

Drop the option.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/README b/README
index e43f5ea..12f06e4 100644
--- a/README
+++ b/README
@@ -831,7 +831,6 @@
 		CONFIG_CMD_DHCP		* DHCP support
 		CONFIG_CMD_DIAG		* Diagnostics
 		CONFIG_CMD_DS4510	* ds4510 I2C gpio commands
-		CONFIG_CMD_DS4510_RST	* ds4510 I2C rst command
 		CONFIG_CMD_DTT		* Digital Therm and Thermostat
 		CONFIG_CMD_ECHO		  echo arguments
 		CONFIG_CMD_EDITENV	  edit env variable
diff --git a/drivers/misc/ds4510.c b/drivers/misc/ds4510.c
index 936fb3e..c08a0be 100644
--- a/drivers/misc/ds4510.c
+++ b/drivers/misc/ds4510.c
@@ -247,9 +247,7 @@
 	U_BOOT_CMD_MKENT(input, 3, 0, (void *)DS4510_CMD_INPUT, "", ""),
 	U_BOOT_CMD_MKENT(pullup, 4, 0, (void *)DS4510_CMD_PULLUP, "", ""),
 	U_BOOT_CMD_MKENT(info, 2, 0, (void *)DS4510_CMD_INFO, "", ""),
-#ifdef CONFIG_CMD_DS4510_RST
 	U_BOOT_CMD_MKENT(rstdelay, 3, 0, (void *)DS4510_CMD_RSTDELAY, "", ""),
-#endif
 	U_BOOT_CMD_MKENT(eeprom, 6, 0, (void *)DS4510_CMD_EEPROM, "", ""),
 	U_BOOT_CMD_MKENT(seeprom, 6, 0, (void *)DS4510_CMD_SEEPROM, "", ""),
 	U_BOOT_CMD_MKENT(sram, 6, 0, (void *)DS4510_CMD_SRAM, "", ""),
@@ -318,10 +316,8 @@
 		return ds4510_pullup_write(chip, tmp);
 	case DS4510_CMD_INFO:
 		return ds4510_info(chip);
-#ifdef CONFIG_CMD_DS4510_RST
 	case DS4510_CMD_RSTDELAY:
 		return ds4510_rstdelay_write(chip, ul_arg2);
-#endif
 	case DS4510_CMD_EEPROM:
 		end = DS4510_EEPROM + DS4510_EEPROM_SIZE;
 		off = DS4510_EEPROM;
@@ -374,11 +370,9 @@
 	"	- disable/enable pullup on specified pin\n"
 	"ds4510 nv 0|1\n"
 	"	- make gpio and seeprom writes volatile/non-volatile"
-#ifdef CONFIG_CMD_DS4510_RST
 	"\n"
 	"ds4510 rstdelay 0-3\n"
 	"	- set reset output delay"
-#endif
 	"\n"
 	"ds4510 eeprom read addr off cnt\n"
 	"ds4510 eeprom write addr off cnt\n"
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index e15b995..af253f4 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -384,7 +384,6 @@
 CONFIG_CMDLINE_PS_SUPPORT
 CONFIG_CMDLINE_TAG
 CONFIG_CMD_DS4510
-CONFIG_CMD_DS4510_RST
 CONFIG_CMD_DTT
 CONFIG_CMD_ECCTEST
 CONFIG_CMD_EECONFIG