CDEF cleanup

Name changes and code moves to bring code more in line with the
design doc and an upcoming single-pass patch.  No functional changes.

Change-Id: I2bccd58c644e534b139f420b623390aa971fbdb0
diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index 9e20819..a7e1dfc 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -3474,8 +3474,8 @@
 #if CONFIG_CDEF
 static void encode_cdef(const AV1_COMMON *cm, struct aom_write_bit_buffer *wb) {
   int i;
-  aom_wb_write_literal(wb, cm->cdef_dering_damping - 5, 1);
-  aom_wb_write_literal(wb, cm->cdef_clpf_damping - 3, 2);
+  aom_wb_write_literal(wb, cm->cdef_pri_damping - 5, 1);
+  aom_wb_write_literal(wb, cm->cdef_sec_damping - 3, 2);
   aom_wb_write_literal(wb, cm->cdef_bits, 2);
   for (i = 0; i < cm->nb_cdef_strengths; i++) {
     aom_wb_write_literal(wb, cm->cdef_strengths[i], CDEF_STRENGTH_BITS);