soc: qcom: rpmpd: Drop unused res_name from struct rpmpd

The res_name field in struct rpmpd is unused.  Drop it.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211108134442.30051-2-shawn.guo@linaro.org

drivers/soc/qcom/rpmpd.c

@@ -102,7 +102,6 @@ struct rpmpd {
 	const bool active_only;
 	unsigned int corner;
 	bool enabled;
-	const char *res_name;
 	const int res_type;
 	const int res_id;
 	struct qcom_smd_rpm *rpm;