armv7l package requires libatomic.so.1 since 12.16.0 but not documented

<!-- Thank you for reporting an issue. This issue tracker is for bugs and issues found within Node.js core. If you require more general support please file an issue on our help repo. https://github.com/nodejs/help Please fill in as much of the template below as you're able. Version: output of `node -v` Platform: output of `uname -a` (UNIX), or output of `"$([Environment]::OSVersion | ForEach-Object VersionString) $(if ([Environment]::Is64BitOperatingSystem) { "x64" } else { "x86" })"` in PowerShell console (Windows) Subsystem: if known, please specify affected core module name --> * **Version**: >= 12.16.0 * **Platform**: Linux armv7l * **Subsystem**: build/deps **armv7l** ``` $ readelf -d node-v12.15.0-linux-armv7l/bin/node Dynamic section at offset 0x1de7748 contains 31 entries: Tag Type Name/Value 0x00000001 (NEEDED) Shared library: [libdl.so.2] 0x00000001 (NEEDED) Shared library: [libstdc++.so.6] 0x00000001 (NEEDED) Shared library: [libm.so.6] 0x00000001 (NEEDED) Shared library: [libgcc_s.so.1] 0x00000001 (NEEDED) Shared library: [libpthread.so.0] 0x00000001 (NEEDED) Shared library: [libc.so.6] ``` ``` $ readelf -d node-v12.16.0-linux-armv7l/bin/node Dynamic section at offset 0x1e3f728 contains 32 entries: Tag Type Name/Value 0x00000001 (NEEDED) Shared library: [libdl.so.2] 0x00000001 (NEEDED) Shared library: [libatomic.so.1] 0x00000001 (NEEDED) Shared library: [libstdc++.so.6] 0x00000001 (NEEDED) Shared library: [libm.so.6] 0x00000001 (NEEDED) Shared library: [libgcc_s.so.1] 0x00000001 (NEEDED) Shared library: [libpthread.so.0] 0x00000001 (NEEDED) Shared library: [libc.so.6] ``` **x64** ``` $ readelf -d node-v12.16.0-linux-x64…