x86: config: Enable SPI for chromebook_link

Enable SPI so that the SPI flash can be used.

Signed-off-by: Simon Glass <sjg@chromium.org>

include/configs/chromebook_link.h

@@ -46,10 +46,6 @@
  */
 #undef CONFIG_VIDEO
 #undef CONFIG_CFB_CONSOLE
-#undef CONFIG_ICH_SPI
-#undef CONFIG_SPI
-#undef CONFIG_CMD_SPI
-#undef CONFIG_CMD_SF
 
 #define CONFIG_PCI_MEM_BUS	0xe0000000
 #define CONFIG_PCI_MEM_PHYS	CONFIG_PCI_MEM_BUS