Kconfig: USB: Migrate CONFIG_USB_EHCI to CONFIG_USB_EHCI_HCD

In order to be able to migrate the various SoC EHCI CONFIG options we
first need to finish the switch from CONFIG_USB_EHCI to
CONFIG_USB_EHCI_HCD.

Cc: Marek Vasut <marex@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Marek Vasut <marex@denx.de>
diff --git a/arch/arm/include/asm/arch-mx7ulp/clock.h b/arch/arm/include/asm/arch-mx7ulp/clock.h
index 170a9b3..6424faf 100644
--- a/arch/arm/include/asm/arch-mx7ulp/clock.h
+++ b/arch/arm/include/asm/arch-mx7ulp/clock.h
@@ -34,7 +34,7 @@
 #ifdef CONFIG_MXC_OCOTP
 void enable_ocotp_clk(unsigned char enable);
 #endif
-#ifdef CONFIG_USB_EHCI
+#ifdef CONFIG_USB_EHCI_HCD
 void enable_usboh3_clk(unsigned char enable);
 #endif
 void init_clk_usdhc(u32 index);