phy: Add UFS PHY modes

UFS phy has two modes for each High speed generation.
These modes are identified by two rates of operations -
Rate A, and Rate B.
Add these UFS phy modes to phy framework.
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

include/linux/phy/phy.h

@@ -29,6 +29,8 @@ enum phy_mode {
 	PHY_MODE_USB_OTG,
 	PHY_MODE_SGMII,
 	PHY_MODE_10GKR,
+	PHY_MODE_UFS_HS_A,
+	PHY_MODE_UFS_HS_B,
 };
 
 /**