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

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/drivers/serial/usbtty.h b/drivers/serial/usbtty.h
index 14961c1..e449cd7 100644
--- a/drivers/serial/usbtty.h
+++ b/drivers/serial/usbtty.h
@@ -31,7 +31,7 @@
 #include <usb/omap1510_udc.h>
 #elif defined(CONFIG_MUSB_UDC)
 #include <usb/musb_udc.h>
-#elif defined(CONFIG_PXA27X)
+#elif defined(CONFIG_CPU_PXA27X)
 #include <usb/pxa27x_udc.h>
 #elif defined(CONFIG_SPEAR3XX) || defined(CONFIG_SPEAR600)
 #include <usb/spr_udc.h>