[PATCH] don't compile SGI XP/GRU on ia64_generic

[KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>]

Impact: fix build error

Currently sgi-xp driver depend on "uv.h" header file.
but only x86 have "uv.h" header.

Then, ia64 hit following build error.

  In file included from drivers/misc/sgi-gru/grufile.c:39:
  drivers/misc/sgi-gru/gru.h:22:23: error: asm/uv/uv.h: No such file or directory

Cc: Jack Steiner <steiner@sgi.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>

---
 drivers/misc/Kconfig |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: b/drivers/misc/Kconfig
===================================================================
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -165,7 +165,7 @@ config SGI_XP
 	depends on (IA64_GENERIC || IA64_SGI_SN2 || IA64_SGI_UV || X86_UV) && SMP
 	select IA64_UNCACHED_ALLOCATOR if IA64_GENERIC || IA64_SGI_SN2
 	select GENERIC_ALLOCATOR if IA64_GENERIC || IA64_SGI_SN2
-	select SGI_GRU if (IA64_GENERIC || IA64_SGI_UV || X86_64) && SMP
+	select SGI_GRU if (IA64_SGI_UV || X86_UV) && SMP
 	---help---
 	  An SGI machine can be divided into multiple Single System
 	  Images which act independently of each other and have
@@ -189,7 +189,7 @@ config HP_ILO
 
 config SGI_GRU
 	tristate "SGI GRU driver"
-	depends on (X86_UV || IA64_SGI_UV || IA64_GENERIC) && SMP
+	depends on (X86_UV || IA64_SGI_UV) && SMP
 	default n
 	select MMU_NOTIFIER
 	---help---