[U-Boot] [00/13] Move conditional compilation to Makefile

[Jean-Christophe PLAGNIOL-VILLARD]

Hi,

	This the first series of patch to Move conditional compilation
	to Makefile.

	It will introduce the following major change of MACRO

	rename CFG_FLASH_CFI_DRIVER to CONFIG_FLASH_CFI_DRIVER
	rename CFG_NAND_LEGACY to CONFIG_NAND_LEGACY
	rename CFG_NS9750_UART to CONFIG_NS9750_UART
	rename move CFG_SCIF_CONSOLE to CONFIG_SCIF_CONSOLE

Best Regards,
J.