ARM: set size of asm functions in object files

libavcodec/arm/asm.S

libavcodec/arm/dsputil_arm.S

libavcodec/arm/dsputil_armv6.S

libavcodec/arm/dsputil_neon.S

libavcodec/arm/dsputil_vfp.S

libavcodec/arm/fft_neon.S

libavcodec/arm/h264dsp_neon.S

libavcodec/arm/h264idct_neon.S

libavcodec/arm/h264pred_neon.S

libavcodec/arm/int_neon.S

libavcodec/arm/mdct_neon.S

libavcodec/arm/mpegvideo_armv5te_s.S

libavcodec/arm/simple_idct_armv5te.S

libavcodec/arm/simple_idct_armv6.S

libavcodec/arm/simple_idct_neon.S

libavcodec/arm/vp3dsp_neon.S