Should use arm32-v5 binaries on armv7l?

https://github.com/v2fly/fhs-install-v2ray/blob/d31559fcbb9447e6b1d26d03d0d6d95259d53957/install-release.sh#L64-L72

https://github.com/v2fly/v2ray-core/issues/280#issuecomment-710855263

&#36824;&#38656;&#35201;&#30475;&#19968;&#19979;&#26641;&#33683;&#27966;&#21644; armv6l &#30340;&#24773;&#20917;