soc/amd/cezanne: move CPU cluster to chipset device tree

This will be common for all boards, so move it to the chipset device
tree.

TEST=CPU cluster and LAPIC still show up in console logs.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ia49e7b4cfc09c60b6152b8ccc47f37b6adc1e319
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50613
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/amd/majolica/devicetree.cb

@@ -2,9 +2,6 @@
 
 chip soc/amd/cezanne
 
-	device cpu_cluster 0 on
-		device lapic 0 on end
-	end
 	device domain 0 on
 	end
 

src/soc/amd/cezanne/chipset.cb

@@ -1,4 +1,7 @@
 chip soc/amd/cezanne
+	device cpu_cluster 0 on
+		device lapic 0 on end
+	end
 	device domain 0 on
 		device pci 00.0 alias gnb on end
 	end