greybus: move is_gb_* functions out of greybus.h

The functions below are only used within the context of
drivers/greybus/core.c, so move them all into core and drop their 'inline'
specifiers:

is_gb_host_device(), is_gb_module(), is_gb_interface(), is_gb_control(),
is_gb_bundle() and is_gb_svc().
Suggested-by: Alex Elder <elder@ieee.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20240226-device_cleanup-greybus2-v1-1-5f7d1161e684@marliere.netSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/greybus/core.c

@@ -27,6 +27,36 @@ int greybus_disabled(void)
 }
 EXPORT_SYMBOL_GPL(greybus_disabled);
 
+static int is_gb_host_device(const struct device *dev)
+{
+	return dev->type == &greybus_hd_type;
+}
+
+static int is_gb_module(const struct device *dev)
+{
+	return dev->type == &greybus_module_type;
+}
+
+static int is_gb_interface(const struct device *dev)
+{
+	return dev->type == &greybus_interface_type;
+}
+
+static int is_gb_control(const struct device *dev)
+{
+	return dev->type == &greybus_control_type;
+}
+
+static int is_gb_bundle(const struct device *dev)
+{
+	return dev->type == &greybus_bundle_type;
+}
+
+static int is_gb_svc(const struct device *dev)
+{
+	return dev->type == &greybus_svc_type;
+}
+
 static bool greybus_match_one_id(struct gb_bundle *bundle,
 				 const struct greybus_bundle_id *id)
 {

include/linux/greybus.h

@@ -113,36 +113,6 @@ extern const struct device_type greybus_control_type;
 extern const struct device_type greybus_bundle_type;
 extern const struct device_type greybus_svc_type;
 
-static inline int is_gb_host_device(const struct device *dev)
-{
-	return dev->type == &greybus_hd_type;
-}
-
-static inline int is_gb_module(const struct device *dev)
-{
-	return dev->type == &greybus_module_type;
-}
-
-static inline int is_gb_interface(const struct device *dev)
-{
-	return dev->type == &greybus_interface_type;
-}
-
-static inline int is_gb_control(const struct device *dev)
-{
-	return dev->type == &greybus_control_type;
-}
-
-static inline int is_gb_bundle(const struct device *dev)
-{
-	return dev->type == &greybus_bundle_type;
-}
-
-static inline int is_gb_svc(const struct device *dev)
-{
-	return dev->type == &greybus_svc_type;
-}
-
 static inline bool cport_id_valid(struct gb_host_device *hd, u16 cport_id)
 {
 	return cport_id != CPORT_ID_BAD && cport_id < hd->num_cports;