golang: backport an upstream fix for non-retpoline-compatible error
This fixes the following build error:
```
Building targets
runtime
<autogenerated>:1: non-retpoline-compatible: 00200 (/home/username/works/openwrt/staging_dir/hostpkg/lib/go-cross/src/runtime/time.go:915) JMP (R15)(R12*8)
<autogenerated>:1: non-retpoline-compatible: 00115 (/home/username/works/openwrt/staging_dir/hostpkg/lib/go-cross/src/runtime/type.go:614) JMP (AX)(SI*8)
<autogenerated>:1: non-retpoline-compatible: 00028 (/home/username/works/openwrt/staging_dir/hostpkg/lib/go-cross/src/runtime/time.go:452) JMP (R11)(R10*8)
<autogenerated>:1: non-retpoline-compatible: 00021 (/home/username/works/openwrt/staging_dir/hostpkg/lib/go-cross/src/runtime/error.go:261) JMP (DX)(CX*8)
<autogenerated>:1: non-retpoline-compatible: 00050 (/home/username/works/openwrt/staging_dir/hostpkg/lib/go-cross/src/runtime/time.go:691) JMP (CX)(R12*8)
<autogenerated>:1: non-retpoline-compatible: 00024 (/home/username/works/openwrt/staging_dir/hostpkg/lib/go-cross/src/runtime/debuglog.go:616) JMP (CX)(SI*8)
<autogenerated>:1: non-retpoline-compatible: 00079 (/home/username/works/openwrt/staging_dir/hostpkg/lib/go-cross/src/runtime/time.go:617) JMP (R9)(R8*8)
<autogenerated>:1: non-retpoline-compatible: 00025 (/home/username/works/openwrt/staging_dir/hostpkg/lib/go-cross/src/runtime/cgocall.go:453) JMP (R9)(DX*8)
<autogenerated>:1: non-retpoline-compatible: 00018 (/home/username/works/openwrt/staging_dir/hostpkg/lib/go-cross/src/runtime/type.go:66) JMP (DX)(CX*8)
<autogenerated>:1: non-retpoline-compatible: 00020 (/home/username/works/openwrt/staging_dir/hostpkg/lib/go-cross/src/runtime/alg.go:156) JMP (SI)(DX*8)
<autogenerated>:1: too many errors
```
Fixes: #20026
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>