phy: xilinx-xhdmiphy: Fix GT pll-selection allowed range of values

Fix GT rx-pll-selection and tx-pll-selection allowed range of values.
This issue is reported by clang with below warnings.

drivers/phy/xilinx/xhdmiphy.c:560:14: warning: overlapping comparisons
always evaluate to false [-Wtautological-overlap-compare]
        if (val < 0 && val > 6) {
            ~~~~~~~^~~~~~~~~
drivers/phy/xilinx/xhdmiphy.c:546:14: warning: overlapping comparisons
always evaluate to false [-Wtautological-overlap-compare]
        if (val < 0 && val > 6) {
            ~~~~~~~^~~~~~~~~

Signed-off-by: Rajesh Gugulothu <rajesh.gugulothu@amd.com>
Reviewed-by: Vishal Sagar <vishal.sagar@amd.com>
Acked-by: Gaddipati, Naveen <naveen.gaddipati@amd.com>

Author: gugulot

drivers/phy/xilinx/xhdmiphy.c

@@ -543,7 +543,7 @@ static int xhdmiphy_parse_of(struct xhdmiphy_dev *priv)
 		return rc;
 	}
 
-	if (val < 0 && val > 6) {
+	if (val < 0 || val > 6) {
 		dev_err(priv->dev, "dt rx-pll-selection %d is invalid\n",
 			val);
 		return -EINVAL;
@@ -557,7 +557,7 @@ static int xhdmiphy_parse_of(struct xhdmiphy_dev *priv)
 		return rc;
 	}
 
-	if (val < 0 && val > 6) {
+	if (val < 0 || val > 6) {
 		dev_err(priv->dev, "dt tx-pll-selection %d is invalid\n",
 			val);
 		return -EINVAL;