[MIPS] Add GENERIC_HARDIRQS_NO__DO_IRQ for i8259 users

Now that i8259A_chip uses new irq flow handler select
GENERIC_HARDIRQS_NO__DO_IRQ on some more platforms.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/Kconfig

@@ -165,6 +165,7 @@ config MIPS_COBALT
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
 	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select GENERIC_HARDIRQS_NO__DO_IRQ
 
 config MACH_DECSTATION
 	bool "DECstations"
@@ -225,6 +226,7 @@ config MACH_JAZZ
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
 	select SYS_SUPPORTS_100HZ
+	select GENERIC_HARDIRQS_NO__DO_IRQ
 	help
 	 This a family of machines based on the MIPS R4030 chipset which was
 	 used by several vendors to build RISC/os and Windows NT workstations.
@@ -482,6 +484,7 @@ config MACH_VR41XX
 	select SYS_HAS_CPU_VR41XX
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
+	select GENERIC_HARDIRQS_NO__DO_IRQ
 
 config PMC_YOSEMITE
 	bool "PMC-Sierra Yosemite eval board"
@@ -515,6 +518,7 @@ config QEMU
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select ARCH_SPARSEMEM_ENABLE
+	select GENERIC_HARDIRQS_NO__DO_IRQ
 	help
 	  Qemu is a software emulator which among other architectures also
 	  can simulate a MIPS32 4Kc system.  This patch adds support for the
@@ -754,6 +758,7 @@ config TOSHIBA_RBTX4927
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select TOSHIBA_BOARDS
+	select GENERIC_HARDIRQS_NO__DO_IRQ
 	help
 	  This Toshiba board is based on the TX4927 processor. Say Y here to
 	  support this machine type
@@ -773,6 +778,7 @@ config TOSHIBA_RBTX4938
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select TOSHIBA_BOARDS
+	select GENERIC_HARDIRQS_NO__DO_IRQ
 	help
 	  This Toshiba board is based on the TX4938 processor. Say Y here to
 	  support this machine type