usb: UniPhier: add UniPhier on-chip xHCI host driver support

Support xHCI host driver used on Panasonic UniPhier platform.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Marek Vasut <marex@denx.de>
diff --git a/include/fdtdec.h b/include/fdtdec.h
index 1bc70db..1233dfb 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -168,6 +168,7 @@
 	COMPAT_AMS_AS3722,		/* AMS AS3722 PMIC */
 	COMPAT_INTEL_ICH_SPI,		/* Intel ICH7/9 SPI controller */
 	COMPAT_INTEL_QRK_MRC,		/* Intel Quark MRC */
+	COMPAT_PANASONIC_XHCI,		/* Panasonic UniPhier xHCI */
 
 	COMPAT_COUNT,
 };