media/video: convert Kconfig to use the menu's `visible' keyword

Signed-off-by: Arnaud Lacombe <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/video/Kconfig

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 menu "Encoders/decoders and other helper chips"
-	depends on !VIDEO_HELPER_CHIPS_AUTO
+	visible if !VIDEO_HELPER_CHIPS_AUTO
 
 comment "Audio decoders"