Blackfin RTC Driver: BF561 not have on-chip RTC

Signed-off-by: NGraf Yang <graf.yang@analog.com>
Signed-off-by: NBryan Wu <cooloney@kernel.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/Kconfig

@@ -561,7 +561,7 @@ config RTC_DRV_AT91SAM9_GPBR
 
 config RTC_DRV_BFIN
 	tristate "Blackfin On-Chip RTC"
-	depends on BLACKFIN
+	depends on BLACKFIN && !BF561
 	help
 	  If you say yes here you will get support for the
 	  Blackfin On-Chip Real Time Clock.