x86: remove depends on X86_32 from PARAVIRT & PARAVIRT_GUEST

With this, the paravirt_ops code can be enabled on x86_64 also.

Each guest implementation (Xen, VMI, lguest) now depends on X86_32. The
dependencies can be dropped for each one when they start to support
x86_64.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5e0cde8..f0887d1 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -312,7 +312,6 @@
 
 menuconfig PARAVIRT_GUEST
 	bool "Paravirtualized guest support"
-	depends on X86_32
 	help
 	  Say Y here to get to see options related to running Linux under
 	  various hypervisors.  This option alone does not add any kernel code.
@@ -326,6 +325,7 @@
 config VMI
 	bool "VMI Guest support"
 	select PARAVIRT
+	depends on X86_32
 	depends on !(X86_VISWS || X86_VOYAGER)
 	help
 	  VMI provides a paravirtualized interface to the VMware ESX server
@@ -337,7 +337,7 @@
 
 config PARAVIRT
 	bool "Enable paravirtualization code"
-	depends on X86_32 && !(X86_VISWS || X86_VOYAGER)
+	depends on !(X86_VISWS || X86_VOYAGER)
 	help
 	  This changes the kernel so it can modify itself when it is run
 	  under a hypervisor, potentially improving performance significantly