fbdev: Use IS_ENABLED() instead of checking for built-in or module

The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either
built-in or as a module, use that macro instead of open coding the same.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/fbdev/via/accel.c

@@ -358,7 +358,7 @@ int viafb_setup_engine(struct fb_info *info)
 	viapar->shared->vq_vram_addr = viapar->fbmem_free;
 	viapar->fbmem_used += VQ_SIZE;
 
-#if defined(CONFIG_VIDEO_VIA_CAMERA) || defined(CONFIG_VIDEO_VIA_CAMERA_MODULE)
+#if IS_ENABLED(CONFIG_VIDEO_VIA_CAMERA)
 	/*
 	 * Set aside a chunk of framebuffer memory for the camera
 	 * driver.  Someday this driver probably needs a proper allocator

drivers/video/fbdev/via/via-core.c

@@ -116,7 +116,7 @@ EXPORT_SYMBOL_GPL(viafb_irq_disable);
  * most viafb systems will not need to have this extra code for a while.
  * As soon as another user comes long, the ifdef can be removed.
  */
-#if defined(CONFIG_VIDEO_VIA_CAMERA) || defined(CONFIG_VIDEO_VIA_CAMERA_MODULE)
+#if IS_ENABLED(CONFIG_VIDEO_VIA_CAMERA)
 /*
  * Access to the DMA engine.  This currently provides what the camera
  * driver needs (i.e. outgoing only) but is easily expandable if need
@@ -542,7 +542,7 @@ static struct viafb_subdev_info {
 	{
 		.name = "viafb-i2c",
 	},
-#if defined(CONFIG_VIDEO_VIA_CAMERA) || defined(CONFIG_VIDEO_VIA_CAMERA_MODULE)
+#if IS_ENABLED(CONFIG_VIDEO_VIA_CAMERA)
 	{
 		.name = "viafb-camera",
 	},