omap: Add missing mux pin for EHCI phy reset line

GPIO135 is used as EHCI (port2) phy reset pin on Multi Media Daughter card
connected to OMAP3EVM.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/plat-omap/include/mach/mux.h b/arch/arm/plat-omap/include/mach/mux.h
index 98dfab6..4bcf8a5 100644
--- a/arch/arm/plat-omap/include/mach/mux.h
+++ b/arch/arm/plat-omap/include/mach/mux.h
@@ -846,6 +846,7 @@
 	L8_34XX_GPIO63,
 	G25_34XX_GPIO86_OUT,
 	AG4_34XX_GPIO134_OUT,
+	AF4_34XX_GPIO135_OUT,
 	AE4_34XX_GPIO136_OUT,
 	AF6_34XX_GPIO140_UP,
 	AE6_34XX_GPIO141,