[SPARC32]: More dependencies fallout

More stuff that got exposed to sparc32 build due to inclusion of
drivers/char/Kconfig in arch/sparc/Kconfig needs to be excluded.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/char/Kconfig

@@ -175,7 +175,7 @@ config MOXA_INTELLIO
 
 config MOXA_SMARTIO
 	tristate "Moxa SmartIO support"
-	depends on SERIAL_NONSTANDARD
+	depends on SERIAL_NONSTANDARD && (BROKEN || !SPARC32)
 	help
 	  Say Y here if you have a Moxa SmartIO multiport serial card.