config: enable CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT by default

hulk inclusion
category: bugfix
bugzilla: 4979
CVE: NA

-------------------------------------------------

Introduced by b30a43ac7132 ("drm/nouveau: add kconfig
option to turn off nouveau legacy contexts. (v3)")
Enable CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT by default
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

arch/arm64/configs/hulk_defconfig

@@ -3610,6 +3610,7 @@ CONFIG_DRM_RADEON_USERPTR=y
 # AMD Library routines
 #
 CONFIG_DRM_NOUVEAU=m
+CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT=y
 CONFIG_NOUVEAU_DEBUG=5
 CONFIG_NOUVEAU_DEBUG_DEFAULT=3
 # CONFIG_NOUVEAU_DEBUG_MMU is not set

arch/arm64/configs/syzkaller_defconfig

@@ -3587,6 +3587,7 @@ CONFIG_DRM_RADEON_USERPTR=y
 # AMD Library routines
 #
 CONFIG_DRM_NOUVEAU=m
+CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT=y
 CONFIG_NOUVEAU_DEBUG=5
 CONFIG_NOUVEAU_DEBUG_DEFAULT=3
 # CONFIG_NOUVEAU_DEBUG_MMU is not set