[eazy][inductor] fix typo in mm max-autotune log (#97486)
max autotune log like
```
AUTOTUNE bias_addmm(512x197951, 512x512, 512x197951)
triton_mm_61 1.2882s 100.0%
triton_mm_62 1.3036s 98.8%
bias_addmm 1.4889s 86.5%
triton_mm_60 1.6159s 79.7%
triton_mm_63 1.7060s 75.5%
triton_mm_64 1.7777s 72.5%
triton_mm_67 1.9722s 65.3%
addmm 2.0603s 62.5%
triton_mm_70 2.0675s 62.3%
triton_mm_68 2.3552s 54.7%
SingleProcess AUTOTUNE takes 2.949904441833496 seconds
```
is confusion since the sum of runtime of all the kernels is larger than the total time used for tuning. In fact, `triton.testing.do_bench` return milliseconds scale time rather than seconds scale. Fix the typo in the log message to make that clear.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/97486
Approved by: https://github.com/ngimel, https://github.com/jansel