staging: vchiq: Load bcm2835_isp driver from vchiq

raspberrypi inclusion
category: feature
bugzilla: 50432

--------------------------------

bcmn2835_isp is a platform driver dependent on vchiq,
therefore add the load/unload functions for it to vchiq.
Signed-off-by: NNaushir Patuck <naush@raspberrypi.com>
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c

@@ -111,6 +111,7 @@ static struct platform_device *bcm2835_camera;
 static struct platform_device *bcm2835_audio;
 static struct platform_device *bcm2835_codec;
 static struct platform_device *vcsm_cma;
+static struct platform_device *bcm2835_isp;
 
 static struct vchiq_drvdata bcm2835_drvdata = {
 	.cache_line_size = 32,
@@ -2794,6 +2795,7 @@ static int vchiq_probe(struct platform_device *pdev)
 	bcm2835_codec = vchiq_register_child(pdev, "bcm2835-codec");
 	bcm2835_camera = vchiq_register_child(pdev, "bcm2835-camera");
 	bcm2835_audio = vchiq_register_child(pdev, "bcm2835_audio");
+	bcm2835_isp = vchiq_register_child(pdev, "bcm2835-isp");
 
 	return 0;
 
@@ -2806,6 +2808,7 @@ static int vchiq_probe(struct platform_device *pdev)
 
 static int vchiq_remove(struct platform_device *pdev)
 {
+	platform_device_unregister(bcm2835_isp);
 	platform_device_unregister(bcm2835_audio);
 	platform_device_unregister(bcm2835_camera);
 	platform_device_unregister(bcm2835_codec);