Convert CONFIG_MISC_INIT_F to Kconfig

This converts the following to Kconfig:
   CONFIG_MISC_INIT_F

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig
index cfda834..4648808 100644
--- a/configs/sandbox64_defconfig
+++ b/configs/sandbox64_defconfig
@@ -20,8 +20,8 @@
 CONFIG_CONSOLE_RECORD=y
 CONFIG_CONSOLE_RECORD_OUT_SIZE=0x1000
 CONFIG_PRE_CONSOLE_BUFFER=y
-CONFIG_LOG_SYSLOG=y
 CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_MISC_INIT_F=y
 CONFIG_CMD_CPU=y
 CONFIG_CMD_LICENSE=y
 CONFIG_CMD_BOOTZ=y