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/qemu_mips64_defconfig b/configs/qemu_mips64_defconfig
index 0826a0c..b013a17 100644
--- a/configs/qemu_mips64_defconfig
+++ b/configs/qemu_mips64_defconfig
@@ -1,6 +1,7 @@
 CONFIG_MIPS=y
 CONFIG_TARGET_QEMU_MIPS=y
 CONFIG_CPU_MIPS64_R1=y
+CONFIG_BOOTDELAY=10
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="qemu-mips64 # "
 # CONFIG_CMD_LOADB is not set
@@ -11,4 +12,3 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_SYS_NS16550=y
-CONFIG_USE_PRIVATE_LIBGCC=y