[Opus] Update to v1.2.1

third_party/opus/src/celt/arm/mdct_arm.h

 /* Copyright (c) 2015 Xiph.Org Foundation
    Written by Viswanath Puttagunta */
 /**
    @file arm_mdct.h
    @brief ARM Neon Intrinsic optimizations for mdct using NE10 library
  */
 
 /*
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
@@ skipping 15 matching lines @@
    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 #if !defined(MDCT_ARM_H)
 #define MDCT_ARM_H
 
-#include "config.h"
 #include "mdct.h"
 
 #if defined(HAVE_ARM_NE10)
 /** Compute a forward MDCT and scale by 4/N, trashes the input array */
 void clt_mdct_forward_neon(const mdct_lookup *l, kiss_fft_scalar *in,
                            kiss_fft_scalar * OPUS_RESTRICT out,
                            const opus_val16 *window, int overlap,
                            int shift, int stride, int arch);
 
 void clt_mdct_backward_neon(const mdct_lookup *l, kiss_fft_scalar *in,
                             kiss_fft_scalar * OPUS_RESTRICT out,
                             const opus_val16 *window, int overlap,
                             int shift, int stride, int arch);
 
 #if !defined(OPUS_HAVE_RTCD)
 #define OVERRIDE_OPUS_MDCT (1)
 #define clt_mdct_forward(_l, _in, _out, _window, _int, _shift, _stride, _arch) \
       clt_mdct_forward_neon(_l, _in, _out, _window, _int, _shift, _stride, _arch)
 #define clt_mdct_backward(_l, _in, _out, _window, _int, _shift, _stride, _arch) \
       clt_mdct_backward_neon(_l, _in, _out, _window, _int, _shift, _stride, _arch)
 #endif /* OPUS_HAVE_RTCD */
 #endif /* HAVE_ARM_NE10 */
 
 #endif