dt-bindings: phy: Add PHY_TYPE_QSGMII definition

Add definition for QSGMII phy type.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1600327846-9733-5-git-send-email-sjakhade@cadence.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

include/dt-bindings/phy/phy.h

@@ -19,5 +19,6 @@
 #define PHY_TYPE_DP		6
 #define PHY_TYPE_XPCS		7
 #define PHY_TYPE_SGMII		8
+#define PHY_TYPE_QSGMII		9
 
 #endif /* _DT_BINDINGS_PHY */