arm64: mc: NEON implementation of w_mask_444/422/420 function

	                        A73	        A53

w_mask_420_w4_8bpc_c:	        818	        1082.9
w_mask_420_w4_8bpc_neon:	79	        126.6
w_mask_420_w8_8bpc_c:	        2486	        3399.8
w_mask_420_w8_8bpc_neon:	200.2	        343.7
w_mask_420_w16_8bpc_c:	        8022.3	        10989.6
w_mask_420_w16_8bpc_neon:	528.1   	889
w_mask_420_w32_8bpc_c:	        31851.8	        42808.6
w_mask_420_w32_8bpc_neon:	2062.5	        3380.8
w_mask_420_w64_8bpc_c:	        79268.5	        102683.9
w_mask_420_w64_8bpc_neon:	5252.9	        8575.4
w_mask_420_w128_8bpc_c:	        193704.1	255586.5
w_mask_420_w128_8bpc_neon:	14602.3	        22167.7

w_mask_422_w4_8bpc_c:	        777.3	        1038.5
w_mask_422_w4_8bpc_neon:	72.1	        112.9
w_mask_422_w8_8bpc_c:	        2405.7	        3168
w_mask_422_w8_8bpc_neon:	191.9	        314.1
w_mask_422_w16_8bpc_c:	        7783.7	        10543.9
w_mask_422_w16_8bpc_neon:	559.8	        835.5
w_mask_422_w32_8bpc_c:	        30895.7	        41141.2
w_mask_422_w32_8bpc_neon:	2089.7	        3187.2
w_mask_422_w64_8bpc_c:	        75500.2	        98766.3
w_mask_422_w64_8bpc_neon:	5379	        8208.2
w_mask_422_w128_8bpc_c:	        186967.1	245809.1
w_mask_422_w128_8bpc_neon:	15159.9	        21474.5

w_mask_444_w4_8bpc_c:	        850.1	        1136.6
w_mask_444_w4_8bpc_neon:	66.5	        104.7
w_mask_444_w8_8bpc_c:	        2373.5	        3262.9
w_mask_444_w8_8bpc_neon:	180.5	        290.2
w_mask_444_w16_8bpc_c:	        7291.6	        10590.7
w_mask_444_w16_8bpc_neon:	550.9	        809.7
w_mask_444_w32_8bpc_c:	        8048.3	        10140.8
w_mask_444_w32_8bpc_neon:	2136.2	        3095
w_mask_444_w64_8bpc_c:	        18055.3	        23060
w_mask_444_w64_8bpc_neon:	5522.5	        8124.8
w_mask_444_w128_8bpc_c:	        42754.3	        56072
w_mask_444_w128_8bpc_neon:	15569.5	        21531.5