deepin: config: deepin_arm64_desktop_defconfig: enable ashmem

after bcbe601 ("Revert "staging: remove ashmem""),
enable it.

Signed-off-by: Wentao Guan <guanwentao@uniontech.com>

Author: opsiff

arch/arm64/configs/deepin_arm64_desktop_defconfig

@@ -4005,6 +4005,7 @@ CONFIG_VT6656=m
 CONFIG_STAGING_MEDIA=y
 CONFIG_DVB_AV7110=m
 CONFIG_DVB_BUDGET_PATCH=m
+CONFIG_ASHMEM=y
 CONFIG_LTE_GDM724X=m
 CONFIG_PI433=m
 CONFIG_QLGE=m