PXA: Rename CONFIG_PXA2[57]X to CONFIG_CPU_PXA2[57]X

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/include/configs/colibri_pxa270.h b/include/configs/colibri_pxa270.h
index 8a3446e..819c5d0 100644
--- a/include/configs/colibri_pxa270.h
+++ b/include/configs/colibri_pxa270.h
@@ -25,7 +25,7 @@
 /*
  * High Level Board Configuration Options
  */
-#define	CONFIG_PXA27X		1	/* Marvell PXA270 CPU */
+#define	CONFIG_CPU_PXA27X		1	/* Marvell PXA270 CPU */
 #define	CONFIG_VPAC270		1	/* Toradex Colibri PXA270 board */
 
 #undef	CONFIG_BOARD_LATE_INIT