thermal: rockchip: fix calculation error for code_to_temp

the calculation use a global table, not their own table.
so adapt the table to the correct one.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 433085a..5c58d48 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -411,7 +411,7 @@
 	 * temperature between 2 table entries is linear and interpolate
 	 * to produce less granular result.
 	 */
-	num = table.id[mid].temp - v2_code_table[mid - 1].temp;
+	num = table.id[mid].temp - table.id[mid - 1].temp;
 	num *= abs(table.id[mid - 1].code - code);
 	denom = abs(table.id[mid - 1].code - table.id[mid].code);
 	*temp = table.id[mid - 1].temp + (num / denom);