[S390] Kconfig: refine depends statements.

Refine some depends statements to limit their visibility to the
environments that are actually supported.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

drivers/auxdisplay/Kconfig

@@ -6,6 +6,7 @@
 #
 
 menu "Auxiliary Display support"
+	depends on PARPORT
 
 config KS0108
 	tristate "KS0108 LCD Controller"

drivers/char/Kconfig

@@ -81,6 +81,7 @@ config VT_HW_CONSOLE_BINDING
 
 config SERIAL_NONSTANDARD
 	bool "Non-standard serial port support"
+	depends on HAS_IOMEM
 	---help---
 	  Say Y here if you have any non-standard serial boards -- boards
 	  which aren't supported using the standard "dumb" serial driver.
@@ -858,6 +859,7 @@ config COBALT_LCD
 
 config DTLK
 	tristate "Double Talk PC internal speech card support"
+	depends on ISA
 	help
 	  This driver is for the DoubleTalk PC, a speech synthesizer
 	  manufactured by RC Systems (<http://www.rcsys.com/>).  It is also

drivers/ieee1394/Kconfig

 menu "IEEE 1394 (FireWire) support"
+	depends on PCI || BROKEN
 
 config IEEE1394
 	tristate "IEEE 1394 (FireWire) support"

drivers/kvm/Kconfig

@@ -2,6 +2,7 @@
 # KVM configuration
 #
 menu "Virtualization"
+	depends on X86
 
 config KVM
 	tristate "Kernel-based Virtual Machine (KVM) support"

drivers/message/fusion/Kconfig

 
 menu "Fusion MPT device support"
+	depends on PCI
 
 config FUSION
 	bool

drivers/message/i2o/Kconfig

 
 menu "I2O device support"
+	depends on PCI
 
 config I2O
 	tristate "I2O support"