staging: vchiq_arm: drop unnecessary declarations

vchiq_arm.h contains some unnecessary declarations, so drop them.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1633264369-998-3-git-send-email-stefan.wahren@i2se.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h

@@ -121,14 +121,9 @@ extern int vchiq_susp_log_level;
 extern spinlock_t msg_queue_spinlock;
 extern struct vchiq_state g_state;
 
-int vchiq_platform_init(struct platform_device *pdev,
-			struct vchiq_state *state);
-
 extern struct vchiq_state *
 vchiq_get_state(void);
 
-extern void
-vchiq_check_suspend(struct vchiq_state *state);
 enum vchiq_status
 vchiq_use_service(unsigned int handle);
 
@@ -144,9 +139,6 @@ vchiq_dump_platform_use_state(struct vchiq_state *state);
 extern void
 vchiq_dump_service_use_state(struct vchiq_state *state);
 
-extern struct vchiq_arm_state*
-vchiq_platform_get_arm_state(struct vchiq_state *state);
-
 extern enum vchiq_status
 vchiq_use_internal(struct vchiq_state *state, struct vchiq_service *service,
 		   enum USE_TYPE_E use_type);