powerpc/44x: Add explicit Yosemite support

Add the Yosemite board to the explicitly supported list for ppc44x_simple
boards and remove the compatible entry for bamboo from the DTS file.
Signed-off-by: NJosh Boyer <jwboyer@linux.vnet.ibm.com>

arch/powerpc/boot/dts/yosemite.dts

@@ -15,7 +15,7 @@
 	#address-cells = <2>;
 	#size-cells = <1>;
 	model = "amcc,yosemite";
-	compatible = "amcc,yosemite","amcc,bamboo";
+	compatible = "amcc,yosemite";
 	dcr-parent = <&{/cpus/cpu@0}>;
 
 	aliases {

arch/powerpc/platforms/44x/ppc44x_simple.c

@@ -57,7 +57,8 @@ static char *board[] __initdata = {
 	"amcc,katmai",
 	"amcc,rainier",
 	"amcc,sequoia",
-	"amcc,taishan"
+	"amcc,taishan",
+	"amcc,yosemite"
 };
 
 static int __init ppc44x_probe(void)