USB: drop unneeded header in ehci-mx6

Including header for pads is not needed and breaks board
after renaming pin definitions.

Series-to: u-boot

Series-cc: marex@denx.de,fabio.estevam@freescale.com,eric.nelson@boundarydevices.com

Signed-off-by: Stefano Babic <sbabic@denx.de>

drivers/usb/host/ehci-mx6.c

@@ -21,7 +21,6 @@
 #include <asm/io.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/clock.h>
-#include <asm/arch/mx6x_pins.h>
 #include <asm/imx-common/iomux-v3.h>
 
 #include "ehci.h"