Downgrade SIMD usage to real armv6 (like Raspberry Pi)

--- common/arm/quant-a.S.orig	2016-09-21 20:45:06 UTC
+++ common/arm/quant-a.S
@@ -316,6 +316,7 @@ dequant_4x4_dc_rshift:
     bx          lr
 endfunc
 
+#if ARCH_AARCH64 || HAVE_ARMV6T2
 .macro decimate_score_1x size
 function x264_decimate_score\size\()_neon
     vld1.16     {q0, q1}, [r0, :128]
@@ -361,6 +362,7 @@ endfunc
 
 decimate_score_1x 15
 decimate_score_1x 16
+#endif
 
 function x264_decimate_score64_neon
     push        {lr}
--- common/quant.c.orig	2016-09-21 20:45:06 UTC
+++ common/quant.c
@@ -761,8 +761,10 @@ void x264_quant_init( x264_t *h, int cpu
         pf->coeff_last[DCT_LUMA_4x4] = x264_coeff_last16_neon;
         pf->coeff_last[DCT_LUMA_8x8] = x264_coeff_last64_neon;
         pf->denoise_dct = x264_denoise_dct_neon;
+#if ARCH_AARCH64 || HAVE_ARMV6T2
         pf->decimate_score15 = x264_decimate_score15_neon;
         pf->decimate_score16 = x264_decimate_score16_neon;
+#endif
         pf->decimate_score64 = x264_decimate_score64_neon;
     }
 #endif
--- configure.orig	2016-09-21 20:45:06 UTC
+++ configure
@@ -874,9 +874,6 @@ if [ $asm = auto -a \( $ARCH = X86 -o $A
 fi
 
 if [ $asm = auto -a $ARCH = ARM ] ; then
-    # set flags so neon is built by default
-    echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
-
     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
