drm/amdkfd: label internally used symbols as static

Used sparse(make C=1) to find these loose ends.

v2:
removed unwanted extra line
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

@@ -137,7 +137,7 @@ void program_sh_mem_settings(struct device_queue_manager *dqm,
 						qpd->sh_mem_bases);
 }
 
-void increment_queue_count(struct device_queue_manager *dqm,
+static void increment_queue_count(struct device_queue_manager *dqm,
 			enum kfd_queue_type type)
 {
 	dqm->active_queue_count++;
@@ -145,7 +145,7 @@ void increment_queue_count(struct device_queue_manager *dqm,
 		dqm->active_cp_queue_count++;
 }
 
-void decrement_queue_count(struct device_queue_manager *dqm,
+static void decrement_queue_count(struct device_queue_manager *dqm,
 			enum kfd_queue_type type)
 {
 	dqm->active_queue_count--;

drivers/gpu/drm/amd/amdkfd/kfd_process.c

@@ -313,7 +313,7 @@ static int kfd_sysfs_create_file(struct kfd_process *p, struct attribute *attr,
 	return ret;
 }
 
-int kfd_procfs_add_sysfs_files(struct kfd_process *p)
+static int kfd_procfs_add_sysfs_files(struct kfd_process *p)
 {
 	int ret = 0;
 	struct kfd_process_device *pdd;