ARROW-15995: [GO] Improve 'sum_float64_neon' performance
ARROW-15995: [GO] Improve 'sum_float64_neon' performance

Improve the 'Float64Funcs_Sum_1000000-64':

From:
BenchmarkFloat64Funcs_Sum_1000000-64                1179           1016745 ns/op        7868.25 MB/s
to:
BenchmarkFloat64Funcs_Sum_1000000-64                1387            849128 ns/op        9421.43 MB/s

Get 19.7% performance uplift in cases which data set is larger than 1MB.

Test:
```
ARM_ENABLE_EXT=NEON go test
PASS
ok      github.com/apache/arrow/go/v8/arrow/math        0.010s
```

Closes #12687 from guyuqi/ARROW-15995

Authored-by: Yuqi Gu <345a4e3af047c06b177f7fe1915a45f6033d9349@arm.com>
Signed-off-by: Matt Topol <d813aa23445863e8ae12ff1849674f5a01b73692@gmail.com>

wesm/arrow,kou/arrow,apache/arrow,kou/arrow,kou/arrow,wesm/arrow,icexelloss/arrow,wesm/arrow,wesm/arrow,icexelloss/arrow,icexelloss/arrow,apache/arrow,wesm/arrow,icexelloss/arrow,kou/arrow,apache/arrow,kou/arrow,wesm/arrow,wesm/arrow,wesm/arrow,kou/arrow,apache/arrow,icexelloss/arrow,icexelloss/arrow,icexelloss/arrow,kou/arrow,wesm/arrow,apache/arrow,icexelloss/arrow,wesm/arrow,wesm/arrow,apache/arrow,apache/arrow,kou/arrow,kou/arrow,kou/arrow,kou/arrow,icexelloss/arrow,apache/arrow,icexelloss/arrow,apache/arrow,apache/arrow,apache/arrow,icexelloss/arrow,apache/arrow,wesm/arrow,apache/arrow,icexelloss/arrow,kou/arrow,icexelloss/arrow,icexelloss/arrow,wesm/arrow,kou/arrow,kou/arrow,wesm/arrow,apache/arrow