x86: Add 10-bit sgr AVX-512 (Ice Lake) asm

sgr_3x3_10bpc_c:        256836.2
sgr_3x3_10bpc_ssse3:     98841.6
sgr_3x3_10bpc_avx2:      41061.1
sgr_3x3_10bpc_avx512icl: 26461.4

sgr_5x5_10bpc_c:        237412.4
sgr_5x5_10bpc_ssse3:     65665.6
sgr_5x5_10bpc_avx2:      30872.1
sgr_5x5_10bpc_avx512icl: 18306.3

sgr_mix_10bpc_c:        475496.4
sgr_mix_10bpc_ssse3:    154640.0
sgr_mix_10bpc_avx2:      70784.0
sgr_mix_10bpc_avx512icl: 44188.6