PM / Domains: Align in-parameter names for some genpd functions

Align in-parameter names for the declarations of pm_genpd_add|
remove_subdomain() and of_genpd_add_subdomain() according to their
implementations, as to improve consistency.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

include/linux/pm_domain.h

@@ -197,9 +197,9 @@ static inline struct generic_pm_domain_data *dev_gpd_data(struct device *dev)
 int pm_genpd_add_device(struct generic_pm_domain *genpd, struct device *dev);
 int pm_genpd_remove_device(struct device *dev);
 int pm_genpd_add_subdomain(struct generic_pm_domain *genpd,
-			   struct generic_pm_domain *new_subdomain);
+			   struct generic_pm_domain *subdomain);
 int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
-			      struct generic_pm_domain *target);
+			      struct generic_pm_domain *subdomain);
 int pm_genpd_init(struct generic_pm_domain *genpd,
 		  struct dev_power_governor *gov, bool is_off);
 int pm_genpd_remove(struct generic_pm_domain *genpd);
@@ -226,12 +226,12 @@ static inline int pm_genpd_remove_device(struct device *dev)
 	return -ENOSYS;
 }
 static inline int pm_genpd_add_subdomain(struct generic_pm_domain *genpd,
-					 struct generic_pm_domain *new_sd)
+					 struct generic_pm_domain *subdomain)
 {
 	return -ENOSYS;
 }
 static inline int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
-					    struct generic_pm_domain *target)
+					    struct generic_pm_domain *subdomain)
 {
 	return -ENOSYS;
 }
@@ -282,8 +282,8 @@ int of_genpd_add_provider_onecell(struct device_node *np,
 				  struct genpd_onecell_data *data);
 void of_genpd_del_provider(struct device_node *np);
 int of_genpd_add_device(struct of_phandle_args *args, struct device *dev);
-int of_genpd_add_subdomain(struct of_phandle_args *parent,
-			   struct of_phandle_args *new_subdomain);
+int of_genpd_add_subdomain(struct of_phandle_args *parent_spec,
+			   struct of_phandle_args *subdomain_spec);
 struct generic_pm_domain *of_genpd_remove_last(struct device_node *np);
 int of_genpd_parse_idle_states(struct device_node *dn,
 			       struct genpd_power_state **states, int *n);
@@ -316,8 +316,8 @@ static inline int of_genpd_add_device(struct of_phandle_args *args,
 	return -ENODEV;
 }
 
-static inline int of_genpd_add_subdomain(struct of_phandle_args *parent,
-					 struct of_phandle_args *new_subdomain)
+static inline int of_genpd_add_subdomain(struct of_phandle_args *parent_spec,
+					 struct of_phandle_args *subdomain_spec)
 {
 	return -ENODEV;
 }