phy: Constify struct phy_ops variables

The phy_ops variables are never modified after initialized in these
drivers, so make them const.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c
index f9c618f..49a1ed0 100644
--- a/drivers/phy/phy-qcom-ufs.c
+++ b/drivers/phy/phy-qcom-ufs.c
@@ -77,7 +77,7 @@
 
 struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
 				struct ufs_qcom_phy *common_cfg,
-				struct phy_ops *ufs_qcom_phy_gen_ops,
+				const struct phy_ops *ufs_qcom_phy_gen_ops,
 				struct ufs_qcom_phy_specific_ops *phy_spec_ops)
 {
 	int err;