Convert CONFIG_CONSOLE_EXTRA_INFO to Kconfig

This converts the following to Kconfig:
   CONFIG_CONSOLE_EXTRA_INFO

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/icon_defconfig b/configs/icon_defconfig
index 5479c41..628f710 100644
--- a/configs/icon_defconfig
+++ b/configs/icon_defconfig
@@ -20,4 +20,5 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_SYS_NS16550=y
+CONFIG_CONSOLE_EXTRA_INFO=y
 CONFIG_OF_LIBFDT=y