powerpc/85xx: correct vendor prefix in DTS files for TQM85xx modules

Like for the TQM5200, the vendor prefix "tqc," is now used for all
TQM85xx modules from TQ-Components GmbH (http://www.tqc.de) in the
corresponding DTS files.

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/boot/dts/tqm8555.dts b/arch/powerpc/boot/dts/tqm8555.dts
index 0a53bb9..5a57cef 100644
--- a/arch/powerpc/boot/dts/tqm8555.dts
+++ b/arch/powerpc/boot/dts/tqm8555.dts
@@ -12,8 +12,8 @@
 /dts-v1/;
 
 / {
-	model = "tqm,8555";
-	compatible = "tqm,8555", "tqm,85xx";
+	model = "tqc,tqm8555";
+	compatible = "tqc,tqm8555";
 	#address-cells = <1>;
 	#size-cells = <1>;