Convert CONFIG_BOARD_EARLY_INIT_F to Kconfig

This converts the following to Kconfig:
   CONFIG_BOARD_EARLY_INIT_F

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/ge_b650v3_defconfig b/configs/ge_b650v3_defconfig
index 7cf1899..5f7638b 100644
--- a/configs/ge_b650v3_defconfig
+++ b/configs/ge_b650v3_defconfig
@@ -6,6 +6,7 @@
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE=y
 CONFIG_DEFAULT_FDT_FILE="/boot/imx6q-b650v3.dtb"
+CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set