[POWERPC] iSeries: Make HVC_ISERIES the default

This makes the new iSeries virtual console drivers (nvc_iseries) the
default and prevents viocons being built unless explicitly selected.
Also it makes no sense to have the console as a module.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 1e32fb8..2df42fd 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -631,7 +631,8 @@
 
 config HVC_ISERIES
 	bool "iSeries Hypervisor Virtual Console support"
-	depends on PPC_ISERIES && !VIOCONS
+	depends on PPC_ISERIES
+	default y
 	select HVC_DRIVER
 	help
 	  iSeries machines support a hypervisor virtual console.