[Opus] Update to v1.2.1

third_party/opus/src/celt/x86/celt_lpc_sse.h

Index: third_party/opus/src/celt/x86/celt_lpc_sse.h
diff --git a/third_party/opus/src/celt/x86/celt_lpc_sse.h b/third_party/opus/src/celt/x86/celt_lpc_sse.h
index c5ec796ed525e0ff614b65b1d3f3928e7c941f3e..7d1ecf7533282dbc782fe5be54593f4e235a40d5 100644
--- a/third_party/opus/src/celt/x86/celt_lpc_sse.h
+++ b/third_party/opus/src/celt/x86/celt_lpc_sse.h
@@ -41,12 +41,11 @@ void celt_fir_sse4_1(
          opus_val16 *y,
          int N,
          int ord,
-         opus_val16 *mem,
          int arch);
 
 #if defined(OPUS_X86_PRESUME_SSE4_1)
-#define celt_fir(x, num, y, N, ord, mem, arch) \
-    ((void)arch, celt_fir_sse4_1(x, num, y, N, ord, mem, arch))
+#define celt_fir(x, num, y, N, ord, arch) \
+    ((void)arch, celt_fir_sse4_1(x, num, y, N, ord, arch))
 
 #else
 
@@ -56,11 +55,10 @@ extern void (*const CELT_FIR_IMPL[OPUS_ARCHMASK + 1])(
          opus_val16 *y,
          int N,
          int ord,
-         opus_val16 *mem,
          int arch);
 
-#  define celt_fir(x, num, y, N, ord, mem, arch) \
-    ((*CELT_FIR_IMPL[(arch) & OPUS_ARCHMASK])(x, num, y, N, ord, mem, arch))
+#  define celt_fir(x, num, y, N, ord, arch) \
+    ((*CELT_FIR_IMPL[(arch) & OPUS_ARCHMASK])(x, num, y, N, ord, arch))
 
 #endif
 #endif