PPC: select EPAPR_PARAVIRT for all users of epapr hcalls

Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig
index 830cd62..aa99cd2 100644
--- a/drivers/tty/Kconfig
+++ b/drivers/tty/Kconfig
@@ -358,6 +358,7 @@
 config PPC_EPAPR_HV_BYTECHAN
 	tristate "ePAPR hypervisor byte channel driver"
 	depends on PPC
+	select EPAPR_PARAVIRT
 	help
 	  This driver creates /dev entries for each ePAPR hypervisor byte
 	  channel, thereby allowing applications to communicate with byte