x86: edison: Use dwc3-generic driver for Intel Edison

Use generic Synopsys DesignWare 3 driver on Intel Edison.
For now it's just a stub which allows future refactoring.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/tangier/Kconfig b/arch/x86/cpu/tangier/Kconfig
index d2b7ede..94d9d74 100644
--- a/arch/x86/cpu/tangier/Kconfig
+++ b/arch/x86/cpu/tangier/Kconfig
@@ -10,8 +10,11 @@
 	imply MMC_SDHCI
 	imply MMC_SDHCI_SDMA
 	imply MMC_SDHCI_TANGIER
+	imply MISC
 	imply USB
+	imply USB_XHCI_HCD
 	imply USB_DWC3
+	imply USB_DWC3_GENERIC
 
 if INTEL_TANGIER