[PATCH 2/2] nouveau: fix dependencies for DEVICE_PRIVATE

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CONFIG_DEVICE_PRIVATE cannot be selected in configurations
without ZONE_DEVICE:

WARNING: unmet direct dependencies detected for DEVICE_PRIVATE
  Depends on [n]: ZONE_DEVICE [=n]
  Selected by [y]:
  - DRM_NOUVEAU_SVM [=y] && HAS_IOMEM [=y] && DRM_NOUVEAU [=y] && MMU [=y] && STAGING [=y]
kernel/resource.c:1653:28: error: use of undeclared identifier 'PA_SECTION_SHIFT'
        size = ALIGN(size, 1UL << PA_SECTION_SHIFT);
                                  ^
kernel/resource.c:1654:48: error: use of undeclared identifier 'MAX_PHYSMEM_BITS'

Add a dependency for Nouveau to avoid broken randconfig builds.

Fixes: d2c63df2242e ("mm/hmm: make CONFIG_DEVICE_PRIVATE into a select")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
 drivers/gpu/drm/nouveau/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig
index af5793f3e7c2..996ec5475908 100644
--- a/drivers/gpu/drm/nouveau/Kconfig
+++ b/drivers/gpu/drm/nouveau/Kconfig
@@ -87,6 +87,7 @@ config DRM_NOUVEAU_BACKLIGHT
 config DRM_NOUVEAU_SVM
 	bool "(EXPERIMENTAL) Enable SVM (Shared Virtual Memory) support"
 	depends on DRM_NOUVEAU
+	depends on ZONE_DEVICE
 	depends on MMU
 	depends on STAGING
 	select DEVICE_PRIVATE
-- 
2.26.0

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