x86: coreboot: Enable video display

Enable the display on coreboot, using CFB.

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

include/configs/coreboot.h

@@ -78,6 +78,7 @@
  */
 #define CONFIG_RTC_MC146818
 #define CONFIG_SYS_ISA_IO_BASE_ADDRESS	0
+#define CONFIG_SYS_ISA_IO      CONFIG_SYS_ISA_IO_BASE_ADDRESS
 
 /*-----------------------------------------------------------------------
  * Serial Configuration
@@ -136,8 +137,13 @@
 /*-----------------------------------------------------------------------
  * Video Configuration
  */
-#undef CONFIG_VIDEO
-#undef CONFIG_CFB_CONSOLE
+#define CONFIG_VIDEO
+#define CONFIG_VIDEO_COREBOOT
+#define CONFIG_VIDEO_SW_CURSOR
+#define VIDEO_FB_16BPP_WORD_SWAP
+#define CONFIG_I8042_KBD
+#define CONFIG_CFB_CONSOLE
+#define CONFIG_SYS_CONSOLE_INFO_QUIET
 
 /* x86 GPIOs are accessed through a PCI device */
 #define CONFIG_INTEL_ICH6_GPIO