of: Move of_device_get_match_data() declaration

of_device.h mostly defines functions for bus drivers whereas
of_device_get_match_data() is used by drivers. Let's move it to of.h.

Link: https://lore.kernel.org/r/20230329-dt-cpu-header-cleanups-v1-3-581e2605fe47@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>

include/linux/of.h

@@ -371,6 +371,7 @@ extern int of_n_addr_cells(struct device_node *np);
 extern int of_n_size_cells(struct device_node *np);
 extern const struct of_device_id *of_match_node(
 	const struct of_device_id *matches, const struct device_node *node);
+extern const void *of_device_get_match_data(const struct device *dev);
 extern int of_modalias_node(struct device_node *node, char *modalias, int len);
 extern void of_print_phandle_args(const char *msg, const struct of_phandle_args *args);
 extern int __of_parse_phandle_with_args(const struct device_node *np,
@@ -852,6 +853,11 @@ static inline phys_addr_t of_dma_get_max_cpu_address(struct device_node *np)
 	return PHYS_ADDR_MAX;
 }
 
+static inline const void *of_device_get_match_data(const struct device *dev)
+{
+	return NULL;
+}
+
 #define of_match_ptr(_ptr)	NULL
 #define of_match_node(_matches, _node)	NULL
 #endif /* CONFIG_OF */

include/linux/of_device.h

@@ -26,8 +26,6 @@ static inline int of_driver_match_device(struct device *dev,
 	return of_match_device(drv->of_match_table, dev) != NULL;
 }
 
-extern const void *of_device_get_match_data(const struct device *dev);
-
 extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
 extern int of_device_request_module(struct device *dev);
 
@@ -63,11 +61,6 @@ static inline int of_driver_match_device(struct device *dev,
 static inline void of_device_uevent(const struct device *dev,
 			struct kobj_uevent_env *env) { }
 
-static inline const void *of_device_get_match_data(const struct device *dev)
-{
-	return NULL;
-}
-
 static inline int of_device_modalias(struct device *dev,
 				     char *str, ssize_t len)
 {