VP8 for ARMv8 by using NEON intrinsics 05

Add dequantizeb_neon.c
- vp8_dequantize_b_loop_neon

vpxdec  --summary --noblit ../videos/tears_of_steel_1080p.webm
Before => After, 13.25 => 13.23 (fps)

Change-Id: Iebe3b0c6ed2359c778b0570763c5681ae25fef0c
Signed-off-by: James Yu <james.yu@linaro.org>
diff --git a/vp8/vp8_common.mk b/vp8/vp8_common.mk
index e980643..ac91d7a 100644
--- a/vp8/vp8_common.mk
+++ b/vp8/vp8_common.mk
@@ -175,7 +175,6 @@
 VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/save_reg_neon$(ASM)
 VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/idct_dequant_full_2x_neon$(ASM)
 VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/idct_dequant_0_2x_neon$(ASM)
-VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/dequantizeb_neon$(ASM)
 VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/idct_blk_neon.c
 VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/variance_neon$(ASM)
 VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/vp8_subpixelvariance8x8_neon$(ASM)
@@ -187,6 +186,7 @@
 VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/copymem_neon.c
 VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/dc_only_idct_add_neon.c
 VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/dequant_idct_neon.c
+VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/dequantizeb_neon.c
 
 
 $(eval $(call rtcd_h_template,vp8_rtcd,vp8/common/rtcd_defs.sh))