add dependency of CONFIG_SGI_XP upon CONFIG_NET

Add a dependency of CONFIG_SGI_XP upon CONFIG_NET to Kconfig.
Signed-off-by: NDean Nelson <dcn@sgi.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/misc/Kconfig

@@ -426,6 +426,7 @@ config ENCLOSURE_SERVICES
 
 config SGI_XP
 	tristate "Support communication between SGI SSIs"
+	depends on NET
 	depends on IA64_GENERIC || IA64_SGI_SN2 || IA64_SGI_UV || (X86_64 && SMP)
 	select IA64_UNCACHED_ALLOCATOR if IA64_GENERIC || IA64_SGI_SN2
 	select GENERIC_ALLOCATOR if IA64_GENERIC || IA64_SGI_SN2