thermal/drivers/tsens: Drop single-cell code for msm8939

There is no dtsi file for msm8939 in the kernel sources. Drop the
compatibility with unofficial dtsi and remove support for handling the
single-cell calibration data on msm8939.

Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230101194034.831222-14-dmitry.baryshkov@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

drivers/thermal/qcom/tsens-v0_1.c

@@ -150,30 +150,6 @@ static int calibrate_8916(struct tsens_priv *priv)
 	return 0;
 }
 
-static int calibrate_8939(struct tsens_priv *priv)
-{
-	u32 p1[10], p2[10];
-	u32 *qfprom_cdata;
-	int mode, ret;
-
-	ret = tsens_calibrate_common(priv);
-	if (!ret)
-		return 0;
-
-	qfprom_cdata = (u32 *)qfprom_read(priv->dev, "calib");
-	if (IS_ERR(qfprom_cdata))
-		return PTR_ERR(qfprom_cdata);
-
-	mode = tsens_read_calibration_legacy(priv, &tsens_8939_nvmem,
-					     p1, p2,
-					     qfprom_cdata, NULL);
-
-	compute_intercept_slope(priv, p1, p2, mode);
-	kfree(qfprom_cdata);
-
-	return 0;
-}
-
 static void fixup_8974_points(int mode, u32 *p1, u32 *p2)
 {
 	int i;
@@ -354,7 +330,7 @@ struct tsens_plat_data data_8916 = {
 
 static const struct tsens_ops ops_8939 = {
 	.init		= init_8939,
-	.calibrate	= calibrate_8939,
+	.calibrate	= tsens_calibrate_common,
 	.get_temp	= get_temp_common,
 };