xtensa: ISS: don't depend on CONFIG_TTY

Build console support only when CONFIG_TTY is selected.
This restores ISS as the default platform for allnoconfig builds.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>

arch/xtensa/Kconfig

@@ -243,7 +243,6 @@ choice
 
 config XTENSA_PLATFORM_ISS
 	bool "ISS"
-	depends on TTY
 	select XTENSA_CALIBRATE_CCOUNT
 	select SERIAL_CONSOLE
 	help

arch/xtensa/platforms/iss/Makefile

@@ -4,6 +4,7 @@
 # "prom monitor" library routines under Linux.
 #
 
-obj-y			= console.o setup.o
+obj-y			= setup.o
+obj-$(CONFIG_TTY)	+= console.o
 obj-$(CONFIG_NET)	+= network.o
 obj-$(CONFIG_BLK_DEV_SIMDISK) += simdisk.o