arm: mvebu: Change header macros from ARMADA_XP to MVEBU

Since these files will be used for other MVEBU SoC's, lets reflect this
in the headers marcos as well.

Signed-off-by: Stefan Roese <sr@denx.de>
Tested-by: Kevin Smith <kevin.smith@elecsyscorp.com>
Tested-by: Dirk Eibach <dirk.eibach@gdsys.cc>
diff --git a/arch/arm/mach-mvebu/include/mach/cpu.h b/arch/arm/mach-mvebu/include/mach/cpu.h
index 4f5ff96..297ac52 100644
--- a/arch/arm/mach-mvebu/include/mach/cpu.h
+++ b/arch/arm/mach-mvebu/include/mach/cpu.h
@@ -6,8 +6,8 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#ifndef _ARMADA_XP_CPU_H
-#define _ARMADA_XP_CPU_H
+#ifndef _MVEBU_CPU_H
+#define _MVEBU_CPU_H
 
 #include <asm/system.h>
 
@@ -120,4 +120,4 @@
  */
 int ddr3_init(void);
 #endif /* __ASSEMBLY__ */
-#endif /* _ARMADA_XP_CPU_H */
+#endif /* _MVEBU_CPU_H */