it's trying to build but it won't try to build dtc.h from dts? Why not?

git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@16 f3766cd6-281f-0410-b1cd-43a5c92072e9

src/mainboard/emulation/qemu-i386/Makefile

@@ -4,3 +4,9 @@
 
 obj-y     = mainboard.o irq_tables.o setup_before_car.o
 core-$(COMPRESSORS) += compressors
+
+mainboard.o: dtc.h
+
+dtc.h: dts
+	dtc -O lb dts > $@
+

src/mainboard/emulation/qemu-i386/dts

@@ -0,0 +1,50 @@
+/{
+	model = "qemu";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "emulation-i386,qemu";
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		
+		emulation,qemu-i386@0{
+			name = "emulation,qemu-i386";
+			device_type = "cpu";
+			clock-frequency = <5f5e1000>;
+			timebase-frequency = <1FCA055>;
+			linux,boot-cpu;
+			reg = <0>;
+			i-cache-size = <2000>;
+			d-cache-size = <2000>;
+		};
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <00000000 20000000>;
+	};
+
+	/* the I/O stuff */
+	northbridge,intel,440bx{
+		associated-cpu = <&/cpus/emulation,qemu-i386@0>;
+		southbridge,intel,piix4{
+			superio,nsc,sucks{
+				uart@0{
+					enabled=<1>;
+				};
+			};
+		};
+	};
+
+	chosen {
+		bootargs = "root=/dev/sda2";
+		linux,platform = <00000600>;
+		linux,stdout-path="/dev/ttyS0";
+	};
+	options {
+		normal="normal";
+		fallback="fallback";
+	};
+
+	
+};