common: bootdelay: move CONFIG_BOOTDELAY into a Kconfig option

move CONFIG_BOOTDELAY into a Kconfig option. Used for this
purpose the moveconfig.py tool in tools.

Signed-off-by: Heiko Schocher <hs@denx.de>

Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
diff --git a/configs/ls1021atwr_nor_defconfig b/configs/ls1021atwr_nor_defconfig
index 3158340..a6be6c6 100644
--- a/configs/ls1021atwr_nor_defconfig
+++ b/configs/ls1021atwr_nor_defconfig
@@ -2,11 +2,11 @@
 CONFIG_TARGET_LS1021ATWR=y
 CONFIG_DM_SERIAL=y
 CONFIG_DEFAULT_DEVICE_TREE="ls1021a-twr-duart"
-CONFIG_OF_BOARD_SETUP=y
-CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_OF_LIBFDT=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_OF_STDOUT_VIA_ALIAS=y
+CONFIG_BOOTDELAY=3
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GREPENV=y