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>
diff --git a/configs/draco_defconfig b/configs/draco_defconfig
index 05b1b9e..985e662 100644
--- a/configs/draco_defconfig
+++ b/configs/draco_defconfig
@@ -56,6 +56,7 @@
 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
diff --git a/configs/etamin_defconfig b/configs/etamin_defconfig
index a9234ee..dd862bb 100644
--- a/configs/etamin_defconfig
+++ b/configs/etamin_defconfig
@@ -56,6 +56,7 @@
 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
diff --git a/configs/pxm2_defconfig b/configs/pxm2_defconfig
index e689d0f..98edb88 100644
--- a/configs/pxm2_defconfig
+++ b/configs/pxm2_defconfig
@@ -59,6 +59,7 @@
 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
diff --git a/configs/rastaban_defconfig b/configs/rastaban_defconfig
index 93e909c..e561edc 100644
--- a/configs/rastaban_defconfig
+++ b/configs/rastaban_defconfig
@@ -56,6 +56,7 @@
 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
diff --git a/configs/rut_defconfig b/configs/rut_defconfig
index 9c879a9..e09f4c5 100644
--- a/configs/rut_defconfig
+++ b/configs/rut_defconfig
@@ -60,6 +60,7 @@
 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
diff --git a/configs/thuban_defconfig b/configs/thuban_defconfig
index 197abde..eb7e285 100644
--- a/configs/thuban_defconfig
+++ b/configs/thuban_defconfig
@@ -56,6 +56,7 @@
 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