sh: Tidy up genirq Kconfig bits.

Now that there's a HAVE_GENERIC_HARDIRQS, switch over.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/sh/Kconfig

@@ -25,6 +25,8 @@ config SUPERH
 	select HAVE_KERNEL_LZO
 	select HAVE_SYSCALL_TRACEPOINTS
 	select HAVE_REGS_AND_STACK_ACCESS_API
+	select HAVE_GENERIC_HARDIRQS
+	select HAVE_SPARSE_IRQ
 	select RTC_LIB
 	select GENERIC_ATOMIC64
 	help
@@ -49,6 +51,7 @@ config SUPERH32
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select PERF_EVENTS
 	select ARCH_HIBERNATION_POSSIBLE if MMU
+	select SPARSE_IRQ
 
 config SUPERH64
 	def_bool ARCH = "sh64"
@@ -78,19 +81,9 @@ config GENERIC_FIND_NEXT_BIT
 config GENERIC_HWEIGHT
 	def_bool y
 
-config GENERIC_HARDIRQS
-	def_bool y
-
-config GENERIC_HARDIRQS_NO__DO_IRQ
-	def_bool y
-
 config IRQ_PER_CPU
 	def_bool y
 
-config SPARSE_IRQ
-	def_bool y
-	depends on SUPERH32
-
 config GENERIC_GPIO
 	def_bool n