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/smdkc100_defconfig b/configs/smdkc100_defconfig
index a989e24..0948534 100644
--- a/configs/smdkc100_defconfig
+++ b/configs/smdkc100_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_S5PC1XX=y
 CONFIG_TARGET_SMDKC100=y
 CONFIG_DEFAULT_DEVICE_TREE="s5pc1xx-smdkc100"
+CONFIG_BOOTDELAY=3
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="SMDKC100 # "
 # CONFIG_CMD_IMLS is not set