crypto: make cgo Ecrevoer not escape sig in place like precompile ecrecover

[cuiweixie]

test with cgo:

goos: darwin
goarch: arm64
pkg: github.com/ethereum/go-ethereum/core/vm
cpu: Apple M4 Pro
                                  │   old.txt   │            new.txt            │
                                  │   sec/op    │   sec/op     vs base          │
PrecompiledEcrecover/-Gas=3000-14   15.02µ ± 7%   15.07µ ± 2%  ~ (p=0.853 n=10)

                                  │   old.txt   │             new.txt             │
                                  │   gas/op    │   gas/op     vs base            │
PrecompiledEcrecover/-Gas=3000-14   3.000k ± 0%   3.000k ± 0%  ~ (p=1.000 n=10) ¹
¹ all samples are equal

                                  │  old.txt   │           new.txt            │
                                  │   mgas/s   │   mgas/s    vs base          │
PrecompiledEcrecover/-Gas=3000-14   199.8 ± 6%   199.1 ± 2%  ~ (p=0.838 n=10)

                                  │  old.txt   │              new.txt               │
                                  │    B/op    │    B/op     vs base                │
PrecompiledEcrecover/-Gas=3000-14   352.0 ± 0%   272.0 ± 0%  -22.73% (p=0.000 n=10)

                                  │  old.txt   │              new.txt               │
                                  │ allocs/op  │ allocs/op   vs base                │
PrecompiledEcrecover/-Gas=3000-14   6.000 ± 0%   5.000 ± 0%  -16.67% (p=0.000 n=10)