media: Kconfig: warn if drivers are filtered

As per a tester feedback, add an option to report when
the drivers are filtered at the Kconfig menu.

Cc: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/Kconfig

@@ -28,7 +28,7 @@ menuconfig MEDIA_SUPPORT
 if MEDIA_SUPPORT
 
 config MEDIA_SUPPORT_FILTER
-	bool "Filter devices by their types"
+	bool "Filter media drivers"
 	depends on MEDIA_SUPPORT
 	help
 	   Configuring the media subsystem can be complex, as there are
@@ -203,6 +203,9 @@ source "drivers/media/cec/Kconfig"
 
 comment "Media drivers"
 
+comment "Drivers filtered as selected at 'Filter media drivers'"
+	depends on MEDIA_SUPPORT_FILTER
+
 source "drivers/media/usb/Kconfig"
 source "drivers/media/pci/Kconfig"
 source "drivers/media/radio/Kconfig"