net: phy: dp83867: Remove unneeded semicolon

Fixes coccicheck warning:

drivers/net/phy/dp83867.c:368:2-3: Unneeded semicolon
drivers/net/phy/dp83867.c:403:2-3: Unneeded semicolon
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Bin <zhengbin13@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/dp83867.c

@@ -365,7 +365,7 @@ static int dp83867_get_downshift(struct phy_device *phydev, u8 *data)
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	*data = enable ? count : DOWNSHIFT_DEV_DISABLE;
 
@@ -400,7 +400,7 @@ static int dp83867_set_downshift(struct phy_device *phydev, u8 cnt)
 			phydev_err(phydev,
 				   "Downshift count must be 1, 2, 4 or 8\n");
 			return -EINVAL;
-	};
+	}
 
 	val = DP83867_DOWNSHIFT_EN;
 	val |= FIELD_PREP(DP83867_DOWNSHIFT_ATTEMPT_MASK, count);