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/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 5bdbc70..c9f2380 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -37,6 +37,7 @@
 	select MISC
 	select OF_CONTROL
 	select VIDCONSOLE_AS_LCD if DM_VIDEO
+	select BOARD_EARLY_INIT_F
 
 config TEGRA_NO_BPMP
 	bool "Tegra common options for SoCs without BPMP"