Revert "drivers: video: sw_generator: Disable the driver if a real camera presents"

This reverts commit 2ff984a.

As of now, "zephyr,camera" chosen node is dropped so the video sw
generator can be built and used beside any other video hardwares.

Signed-off-by: Phi Bang Nguyen <[email protected]>

Author: ngphibang

drivers/video/Kconfig.sw_generator

@@ -3,10 +3,7 @@
 # Copyright (c) 2016 Linaro Limited
 # SPDX-License-Identifier: Apache-2.0
 
-DT_CHOSEN_ZEPHYR_CAMERA := zephyr,camera
-
 config VIDEO_SW_GENERATOR
 	bool "Video Software Generator"
-	depends on !$(dt_chosen_enabled,$(DT_CHOSEN_ZEPHYR_CAMERA))
 	help
 	  Enable video pattern generator (for testing purposes).