x86: coreboot: Convert to use DM coreboot video driver

This converts coreboot to use DM framebuffer driver.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/coreboot/Kconfig b/arch/x86/cpu/coreboot/Kconfig
index e0e3c64..4b3601f 100644
--- a/arch/x86/cpu/coreboot/Kconfig
+++ b/arch/x86/cpu/coreboot/Kconfig
@@ -8,8 +8,4 @@
 	bool
 	default y
 
-config VIDEO_COREBOOT
-	bool
-	default y
-
 endif
diff --git a/arch/x86/dts/bayleybay.dts b/arch/x86/dts/bayleybay.dts
index c8907ce..18b310d 100644
--- a/arch/x86/dts/bayleybay.dts
+++ b/arch/x86/dts/bayleybay.dts
@@ -14,6 +14,7 @@
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
 /include/ "tsc_timer.dtsi"
+/include/ "coreboot_fb.dtsi"
 
 / {
 	model = "Intel Bayley Bay";
diff --git a/arch/x86/dts/broadwell_som-6896.dts b/arch/x86/dts/broadwell_som-6896.dts
index 4bb0a34..3966199 100644
--- a/arch/x86/dts/broadwell_som-6896.dts
+++ b/arch/x86/dts/broadwell_som-6896.dts
@@ -4,6 +4,7 @@
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
 /include/ "tsc_timer.dtsi"
+/include/ "coreboot_fb.dtsi"
 
 / {
 	model = "Advantech SOM-6896";
diff --git a/arch/x86/dts/chromebook_link.dts b/arch/x86/dts/chromebook_link.dts
index fb1b31d..b932340 100644
--- a/arch/x86/dts/chromebook_link.dts
+++ b/arch/x86/dts/chromebook_link.dts
@@ -7,6 +7,7 @@
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
 /include/ "tsc_timer.dtsi"
+/include/ "coreboot_fb.dtsi"
 
 / {
 	model = "Google Link";
diff --git a/arch/x86/dts/chromebook_samus.dts b/arch/x86/dts/chromebook_samus.dts
index 5dd3e57..52a9ea6 100644
--- a/arch/x86/dts/chromebook_samus.dts
+++ b/arch/x86/dts/chromebook_samus.dts
@@ -7,6 +7,7 @@
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
 /include/ "tsc_timer.dtsi"
+/include/ "coreboot_fb.dtsi"
 
 / {
 	model = "Google Samus";
diff --git a/arch/x86/dts/chromebox_panther.dts b/arch/x86/dts/chromebox_panther.dts
index 480b366..b25c919 100644
--- a/arch/x86/dts/chromebox_panther.dts
+++ b/arch/x86/dts/chromebox_panther.dts
@@ -4,6 +4,7 @@
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
 /include/ "tsc_timer.dtsi"
+/include/ "coreboot_fb.dtsi"
 
 / {
 	model = "Google Panther";
diff --git a/arch/x86/dts/coreboot_fb.dtsi b/arch/x86/dts/coreboot_fb.dtsi
new file mode 100644
index 0000000..7d72f18
--- /dev/null
+++ b/arch/x86/dts/coreboot_fb.dtsi
@@ -0,0 +1,5 @@
+/ {
+	coreboot-fb {
+		compatible = "coreboot-fb";
+	};
+};
diff --git a/arch/x86/dts/minnowmax.dts b/arch/x86/dts/minnowmax.dts
index 1a8a8cc..d51318b 100644
--- a/arch/x86/dts/minnowmax.dts
+++ b/arch/x86/dts/minnowmax.dts
@@ -13,6 +13,7 @@
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
 /include/ "tsc_timer.dtsi"
+/include/ "coreboot_fb.dtsi"
 
 / {
 	model = "Intel Minnowboard Max";