map lazy/upward dylib to proper load command
map lazy/upward dylib to proper load command

Both `LC_LAZY_LOAD_DYLIB` and `LC_LOAD_UPWARD_DYLIB` are represented as
a `DylibCommand` internally as can be verified by creating test dylibs
with the `-lazy_library` and `-upward_library` linker arguments.

Homebrew/ruby-macho,Homebrew/ruby-macho,woodruffw/ruby-macho,woodruffw/ruby-macho,woodruffw/ruby-macho,Homebrew/ruby-macho