Convert CONFIG_BOOTCOUNT_ENV to Kconfig

This converts the following to Kconfig:
  CONFIG_BOOTCOUNT_ENV

Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>

README

@@ -713,17 +713,6 @@ The following options need to be configured:
 		as a convenience, when switching between booting from
 		RAM and NFS.
 
-- Bootcount:
-		CONFIG_BOOTCOUNT_ENV
-		If no softreset save registers are found on the hardware
-		"bootcount" is stored in the environment. To prevent a
-		saveenv on all reboots, the environment variable
-		"upgrade_available" is used. If "upgrade_available" is
-		0, "bootcount" is always 0, if "upgrade_available" is
-		1 "bootcount" is incremented in the environment.
-		So the Userspace Applikation must set the "upgrade_available"
-		and "bootcount" variable to 0, if a boot was successfully.
-
 - Pre-Boot Commands:
 		CONFIG_PREBOOT
 

configs/draco_defconfig

@@ -56,6 +56,7 @@ CONFIG_BOOTP_DNS=y
 CONFIG_BOOTP_GATEWAY=y
 CONFIG_BOOTP_SUBNETMASK=y
 CONFIG_BOOTCOUNT_LIMIT=y
+CONFIG_BOOTCOUNT_ENV=y
 CONFIG_DFU_NAND=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y

configs/etamin_defconfig

@@ -56,6 +56,7 @@ CONFIG_BOOTP_DNS=y
 CONFIG_BOOTP_GATEWAY=y
 CONFIG_BOOTP_SUBNETMASK=y
 CONFIG_BOOTCOUNT_LIMIT=y
+CONFIG_BOOTCOUNT_ENV=y
 CONFIG_DFU_NAND=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y

configs/pxm2_defconfig

@@ -59,6 +59,7 @@ CONFIG_BOOTP_DNS=y
 CONFIG_BOOTP_GATEWAY=y
 CONFIG_BOOTP_SUBNETMASK=y
 CONFIG_BOOTCOUNT_LIMIT=y
+CONFIG_BOOTCOUNT_ENV=y
 CONFIG_DFU_NAND=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y

configs/rastaban_defconfig

@@ -56,6 +56,7 @@ CONFIG_BOOTP_DNS=y
 CONFIG_BOOTP_GATEWAY=y
 CONFIG_BOOTP_SUBNETMASK=y
 CONFIG_BOOTCOUNT_LIMIT=y
+CONFIG_BOOTCOUNT_ENV=y
 CONFIG_DFU_NAND=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y

configs/rut_defconfig

@@ -60,6 +60,7 @@ CONFIG_BOOTP_DNS=y
 CONFIG_BOOTP_GATEWAY=y
 CONFIG_BOOTP_SUBNETMASK=y
 CONFIG_BOOTCOUNT_LIMIT=y
+CONFIG_BOOTCOUNT_ENV=y
 CONFIG_DFU_NAND=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y

configs/thuban_defconfig

@@ -56,6 +56,7 @@ CONFIG_BOOTP_DNS=y
 CONFIG_BOOTP_GATEWAY=y
 CONFIG_BOOTP_SUBNETMASK=y
 CONFIG_BOOTCOUNT_LIMIT=y
+CONFIG_BOOTCOUNT_ENV=y
 CONFIG_DFU_NAND=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y

drivers/bootcount/Kconfig

@@ -28,6 +28,18 @@ config BOOTCOUNT_AM33XX
 	  This requires the RTC clocks, etc, to be enabled prior to use and
 	  not all boards with this IP block on it will have the RTC in use.
 
+config BOOTCOUNT_ENV
+	bool "Boot counter in environment"
+	help
+	  If no softreset save registers are found on the hardware
+	  "bootcount" is stored in the environment. To prevent a
+	  saveenv on all reboots, the environment variable
+	  "upgrade_available" is used. If "upgrade_available" is
+	  0, "bootcount" is always 0, if "upgrade_available" is
+	  1 "bootcount" is incremented in the environment.
+	  So the Userspace Application must set the "upgrade_available"
+	  and "bootcount" variable to 0, if a boot was successfully.
+
 endchoice
 
 config SYS_BOOTCOUNT_SINGLEWORD

include/configs/siemens-am33x-common.h

@@ -490,6 +490,4 @@
 #define CONFIG_RESET_TO_RETRY
 #define CONFIG_BOOT_RETRY_TIME 60
 
-#define CONFIG_BOOTCOUNT_ENV
-
 #endif	/* ! __CONFIG_SIEMENS_AM33X_COMMON_H */

scripts/config_whitelist.txt

@@ -146,7 +146,6 @@ CONFIG_BOARD_TYPES
 CONFIG_BOOGER
 CONFIG_BOOTBLOCK
 CONFIG_BOOTCOUNT_ALEN
-CONFIG_BOOTCOUNT_ENV
 CONFIG_BOOTCOUNT_I2C
 CONFIG_BOOTCOUNT_RAM
 CONFIG_BOOTFILE