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/gr_ep2s60_defconfig b/configs/gr_ep2s60_defconfig
index 29c7f29..302d936 100644
--- a/configs/gr_ep2s60_defconfig
+++ b/configs/gr_ep2s60_defconfig
@@ -1,6 +1,7 @@
 CONFIG_SPARC=y
-CONFIG_TARGET_GR_EP2S60=y
 CONFIG_SYS_TEXT_BASE=0x00000000
+CONFIG_TARGET_GR_EP2S60=y
+CONFIG_BOOTDELAY=5
 # CONFIG_CMD_ELF is not set
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_PING=y