Convert CONFIG_SYS_BOOTCOUNT_LE et al to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_BOOTCOUNT_LE
   CONFIG_SYS_BOOTCOUNT_BE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/pg_wcom_expu1_update_defconfig b/configs/pg_wcom_expu1_update_defconfig
index 98f3dcc..f04c3ac 100644
--- a/configs/pg_wcom_expu1_update_defconfig
+++ b/configs/pg_wcom_expu1_update_defconfig
@@ -68,6 +68,7 @@
 CONFIG_VERSION_VARIABLE=y
 CONFIG_DM=y
 CONFIG_BOOTCOUNT_LIMIT=y
+CONFIG_SYS_BOOTCOUNT_BE=y
 CONFIG_DDR_CLK_FREQ=50000000
 CONFIG_SYS_FSL_DDR3=y
 CONFIG_SYS_I2C_LEGACY=y