Reenable CDEF-singlepass by default

This reverts commit 1542157bba3eec95f8e2cdc1af3790e5a2268392.

The associated bug (#881) was fixed a couple of weeks ago.

Change-Id: If05627fd32ff9be1c4f425159798cfe46b6b2908

build/cmake/aom_config_defaults.cmake

diff --git a/build/cmake/aom_config_defaults.cmake b/build/cmake/aom_config_defaults.cmake
index bd5ecce..149f170 100644
--- a/build/cmake/aom_config_defaults.cmake
+++ b/build/cmake/aom_config_defaults.cmake
@@ -111,7 +111,7 @@
 set(CONFIG_AOM_QM 1 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_BGSPRITE 0 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_CDEF 1 CACHE NUMBER "AV1 experiment flag.")
-set(CONFIG_CDEF_SINGLEPASS 0 CACHE NUMBER "AV1 experiment flag.")
+set(CONFIG_CDEF_SINGLEPASS 1 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_CFL 1 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_COLORSPACE_HEADERS 0 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_COMPOUND_ROUND 0 CACHE NUMBER "AV1 experiment flag.")

configure

diff --git a/configure b/configure
index 6b861d7..967a899 100755
--- a/configure
+++ b/configure
@@ -499,6 +499,7 @@
     if enabled adopted_experiments; then
       soft_enable ext_tx
       soft_enable cdef
+      soft_enable cdef_singlepass
       soft_enable ext_intra
       soft_enable intra_edge
       soft_enable mv_compress