ARM: OMAP2+: Make am35xx.h local

This can be local to mach-omap2.

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
index 89150b2..136c64b 100644
--- a/arch/arm/mach-omap2/usb-musb.c
+++ b/arch/arm/mach-omap2/usb-musb.c
@@ -28,7 +28,7 @@
 #include <plat/usb.h>
 #include <plat/omap_device.h>
 
-#include <mach/am35xx.h>
+#include "am35xx.h"
 
 #include "mux.h"