Fix cmake build with CONFIG_HIGHBITDEPTH=0.

Change-Id: If7e9ef6509a1be821484f081152bec47ea55cb00
diff --git a/av1/av1.cmake b/av1/av1.cmake
index 80d860e..f269c72 100644
--- a/av1/av1.cmake
+++ b/av1/av1.cmake
@@ -158,9 +158,11 @@
 
 set(AOM_AV1_COMMON_INTRIN_SSE4_1
     "${AOM_ROOT}/av1/common/x86/av1_fwd_txfm1d_sse4.c"
-    "${AOM_ROOT}/av1/common/x86/av1_fwd_txfm2d_sse4.c")
+    "${AOM_ROOT}/av1/common/x86/av1_fwd_txfm2d_sse4.c"
+    "${AOM_ROOT}/av1/common/x86/highbd_inv_txfm_sse4.c")
 
 set(AOM_AV1_COMMON_INTRIN_AVX2
+    "${AOM_ROOT}/av1/common/x86/highbd_inv_txfm_avx2.c"
     "${AOM_ROOT}/av1/common/x86/hybrid_inv_txfm_avx2.c")
 
 set(AOM_AV1_COMMON_INTRIN_DSPR2
@@ -189,10 +191,17 @@
 set(AOM_AV1_ENCODER_INTRIN_SSSE3
     "${AOM_ROOT}/av1/encoder/x86/dct_ssse3.c")
 
+set(AOM_AV1_ENCODER_INTRIN_SSE4_1
+    ${AOM_AV1_ENCODER_INTRIN_SSE4_1}
+    "${AOM_ROOT}/av1/encoder/x86/av1_highbd_quantize_sse4.c"
+    "${AOM_ROOT}/av1/encoder/x86/highbd_fwd_txfm_sse4.c")
+
 set(AOM_AV1_ENCODER_INTRIN_AVX2
     "${AOM_ROOT}/av1/encoder/x86/av1_quantize_avx2.c"
+    "${AOM_ROOT}/av1/encoder/x86/av1_highbd_quantize_avx2.c"
     "${AOM_ROOT}/av1/encoder/x86/error_intrin_avx2.c"
     "${AOM_ROOT}/av1/encoder/x86/hybrid_fwd_txfm_avx2.c")
+
 set(AOM_AV1_ENCODER_INTRIN_NEON
     "${AOM_ROOT}/av1/encoder/arm/neon/quantize_neon.c")
 
@@ -207,21 +216,7 @@
 if (CONFIG_HIGHBITDEPTH)
   set(AOM_AV1_COMMON_INTRIN_SSE4_1
       ${AOM_AV1_COMMON_INTRIN_SSE4_1}
-      "${AOM_ROOT}/av1/common/x86/av1_highbd_convolve_sse4.c"
-      "${AOM_ROOT}/av1/common/x86/highbd_inv_txfm_sse4.c")
-
-  set(AOM_AV1_COMMON_INTRIN_AVX2
-      ${AOM_AV1_COMMON_INTRIN_AVX2}
-      "${AOM_ROOT}/av1/common/x86/highbd_inv_txfm_avx2.c")
-
-  set(AOM_AV1_ENCODER_INTRIN_SSE4_1
-      ${AOM_AV1_ENCODER_INTRIN_SSE4_1}
-      "${AOM_ROOT}/av1/encoder/x86/av1_highbd_quantize_sse4.c"
-      "${AOM_ROOT}/av1/encoder/x86/highbd_fwd_txfm_sse4.c")
-
-  set(AOM_AV1_ENCODER_INTRIN_AVX2
-      ${AOM_AV1_ENCODER_INTRIN_AVX2}
-      "${AOM_ROOT}/av1/encoder/x86/av1_highbd_quantize_avx2.c")
+      "${AOM_ROOT}/av1/common/x86/av1_highbd_convolve_sse4.c")
 else ()
   set(AOM_AV1_COMMON_INTRIN_NEON
       ${AOM_AV1_COMMON_INTRIN_NEON}