media: Kconfig: reorganize the drivers menu options

The comments before some of the drivers support look
weird, because their Kconfig have their own "comment"
directive inside it. So, rearrange them to make it
look a little nicer for the ones with are not too
familiar with the media system.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/Kconfig

@@ -104,9 +104,7 @@ config MEDIA_TEST_SUPPORT
 
 	  In case of doubts, say N.
 
-source "drivers/media/cec/Kconfig"
-
-source "drivers/media/mc/Kconfig"
+comment "Multimedia core features"
 
 #
 # Video4Linux support
@@ -130,8 +128,6 @@ config VIDEO_V4L2_SUBDEV_API
 
 	  This API is mostly used by camera interfaces in embedded platforms.
 
-source "drivers/media/v4l2-core/Kconfig"
-
 #
 # DVB Core
 #	Only enables if one of DTV is selected
@@ -174,7 +170,10 @@ config DVB_NET
 	  You may want to disable the network support on embedded devices. If
 	  unsure say Y.
 
+source "drivers/media/v4l2-core/Kconfig"
+source "drivers/media/mc/Kconfig"
 source "drivers/media/dvb-core/Kconfig"
+source "drivers/media/cec/Kconfig"
 
 comment "Media drivers"
 
@@ -182,6 +181,9 @@ source "drivers/media/usb/Kconfig"
 source "drivers/media/pci/Kconfig"
 source "drivers/media/radio/Kconfig"
 
+# Common driver options
+source "drivers/media/common/Kconfig"
+
 if MEDIA_PLATFORM_SUPPORT
 source "drivers/media/platform/Kconfig"
 source "drivers/media/test_drivers/Kconfig"
@@ -190,9 +192,6 @@ endif
 
 source "drivers/media/firewire/Kconfig"
 
-# Common driver options
-source "drivers/media/common/Kconfig"
-
 comment "Media ancillary drivers (tuners, sensors, i2c, spi, frontends)"
 
 #