add IOMUXC_GPR1_USB_OTG_ID_OFFSET and IOMUXC_GPR1_USB_OTG_ID_SEL_MASK
define for the USB_OTG_ID_SEL bit.
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Stefano Babic <sbabic@denx.de>
 /* GPR1 bitfields */
 #define IOMUXC_GPR1_ENET_CLK_SEL_OFFSET                21
 #define IOMUXC_GPR1_ENET_CLK_SEL_MASK          (1 << IOMUXC_GPR1_ENET_CLK_SEL_OFFSET)
+#define IOMUXC_GPR1_USB_OTG_ID_OFFSET          13
+#define IOMUXC_GPR1_USB_OTG_ID_SEL_MASK                (1 << IOMUXC_GPR1_USB_OTG_ID_OFFSET)
 
 /* GPR3 bitfields */
 #define IOMUXC_GPR3_GPU_DBG_OFFSET             29