drm/i915/gvt: Make DRM_I915_GVT depend on X86

GVT is not supported on non-x86 platforms, So add
dependency of X86 on config parameter DRM_I915_GVT.

Fixes: 0ad35fe ("drm/i915: gvt: Introduce the basic architecture of GVT-g")
Signed-off-by: Siva Mullati <[email protected]>
Signed-off-by: Zhi Wang <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Zhi Wang <[email protected]>
Signed-off-by: Zhi Wang <[email protected]>

Author: smullati

drivers/gpu/drm/i915/Kconfig

@@ -101,6 +101,7 @@ config DRM_I915_USERPTR
 config DRM_I915_GVT
 	bool "Enable Intel GVT-g graphics virtualization host support"
 	depends on DRM_I915
+	depends on X86
 	depends on 64BIT
 	default n
 	help