Kconfig: Migrate BOARD_LATE_INIT to a select

This option should not really be user selectable.  Note that on PowerPC
we currently only need BOARD_LATE_INIT when CHAIN_OF_TRUST is enabled so be
conditional on that.

Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com> (for UniPhier)
diff --git a/arch/arm/mach-socfpga/Kconfig b/arch/arm/mach-socfpga/Kconfig
index 6991af8..df9e8d4 100644
--- a/arch/arm/mach-socfpga/Kconfig
+++ b/arch/arm/mach-socfpga/Kconfig
@@ -64,6 +64,7 @@
 
 config TARGET_SOCFPGA_SAMTEC_VINING_FPGA
 	bool "samtec VIN|ING FPGA (Cyclone V)"
+	select BOARD_LATE_INIT
 	select TARGET_SOCFPGA_CYCLONE5
 
 config TARGET_SOCFPGA_SR1500