ARM: OMAP2+: Make l4_2xxx.h local

This can be local to mach-omap2.
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/omap_hwmod_2420_data.c

@@ -20,7 +20,7 @@
 #include <plat/i2c.h>
 #include <plat/dmtimer.h>
 #include "l3_2xxx.h"
-#include <plat/l4_2xxx.h>
+#include "l4_2xxx.h"
 #include <plat/mmc.h>
 
 #include "omap_hwmod_common_data.h"

arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c

@@ -16,7 +16,7 @@
 #include <plat/omap_hwmod.h>
 #include <plat/serial.h>
 #include "l3_2xxx.h"
-#include <plat/l4_2xxx.h>
+#include "l4_2xxx.h"
 
 #include "omap_hwmod_common_data.h"