genirq: Streamline kernel/irq/Kconfig

"def_bool n" without prompt is pointless, these should be just "bool".

[ tglx: Adapted to latest changes ]
Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <4D5D3309020000780003264A@vpn.id2.novell.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

kernel/irq/Kconfig

 config HAVE_GENERIC_HARDIRQS
-	def_bool n
+	bool
 
 if HAVE_GENERIC_HARDIRQS
 menu "IRQ subsystem"
@@ -11,32 +11,32 @@ config GENERIC_HARDIRQS
 
 # Select this to disable the deprecated stuff
 config GENERIC_HARDIRQS_NO_DEPRECATED
-       def_bool n
+       bool
 
 config GENERIC_HARDIRQS_NO_COMPAT
-       def_bool n
+       bool
 
 # Options selectable by the architecture code
 config HAVE_SPARSE_IRQ
-       def_bool n
+       bool
 
 config GENERIC_IRQ_PROBE
-	def_bool n
+	bool
 
 config GENERIC_IRQ_SHOW
-       def_bool n
+       bool
 
 config GENERIC_PENDING_IRQ
-	def_bool n
+	bool
 
 config AUTO_IRQ_AFFINITY
-       def_bool n
+       bool
 
 config HARDIRQS_SW_RESEND
-       def_bool n
+       bool
 
 config IRQ_PREFLOW_FASTEOI
-       def_bool n
+       bool
 
 config SPARSE_IRQ
 	bool "Support sparse irq numbering"