[media] dvb-frontends/Kconfig: better describe Toshiba TC90522

Toshiba TC90522 is wrongly categorized, fix it
Signed-off-by: ほち, AreMa Inc <knightrider@are.ma>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/dvb-frontends/Kconfig

@@ -648,12 +648,15 @@ config DVB_MB86A20S
 	  A driver for Fujitsu mb86a20s ISDB-T/ISDB-Tsb demodulator.
 	  Say Y when you want to support this frontend.
 
+comment "ISDB-S (satellite) & ISDB-T (terrestrial) frontends"
+	depends on DVB_CORE
+
 config DVB_TC90522
 	tristate "Toshiba TC90522"
 	depends on DVB_CORE && I2C
 	default m if !MEDIA_SUBDRV_AUTOSELECT
 	help
-	  A Toshiba TC90522 2xISDB-T + 2xISDB-S demodulator.
+	  Toshiba TC90522 2xISDB-S 8PSK + 2xISDB-T OFDM demodulator.
 	  Say Y when you want to support this frontend.
 
 comment "Digital terrestrial only tuners/PLL"