Blackfin arch: the usb_sl811.h header has been moved to usb/sl811.h so lets use that version now

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

arch/blackfin/mach-bf527/boards/ezkit.c

@@ -40,7 +40,7 @@
 #include <linux/pata_platform.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
-#include <linux/usb_sl811.h>
+#include <linux/usb/sl811.h>
 #include <asm/cplb.h>
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>