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/thunderx_88xx_defconfig b/configs/thunderx_88xx_defconfig
index cb33f60..4a8655f 100644
--- a/configs/thunderx_88xx_defconfig
+++ b/configs/thunderx_88xx_defconfig
@@ -3,6 +3,7 @@
 CONFIG_DM_SERIAL=y
 CONFIG_DEFAULT_DEVICE_TREE="thunderx-88xx"
 CONFIG_SYS_EXTRA_OPTIONS="ARM64"
+CONFIG_BOOTDELAY=5
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="ThunderX_88XX> "
 # CONFIG_CMD_IMLS is not set
@@ -22,4 +23,3 @@
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEBUG_UART_SKIP_INIT=y
 CONFIG_REGEX=y
-CONFIG_BOOTP_VCI_STRING="Diagnostics"