ios: Pass arch_cflags to clang for gas-preprocessor too
ios: Pass arch_cflags to clang for gas-preprocessor too

GStreamer/cerbero,atsushieno/cerbero,atsushieno/cerbero,multipath-rtp/cerbero,atsushieno/cerbero,centricular/cerbero,nirbheek/cerbero,fluendo/cerbero,nirbheek/cerbero,EricssonResearch/cerbero,atsushieno/cerbero,fluendo/cerbero,flexVDI/cerbero,centricular/cerbero,fluendo/cerbero,centricular/cerbero,EricssonResearch/cerbero,flexVDI/cerbero,centricular/cerbero,fluendo/cerbero,justinjoy/cerbero,multipath-rtp/cerbero,fluendo/cerbero,GStreamer/cerbero,GStreamer/cerbero,EricssonResearch/cerbero,GStreamer/cerbero,EricssonResearch/cerbero,OptoFidelity/cerbero,atsushieno/cerbero,multipath-rtp/cerbero,justinjoy/cerbero,centricular/cerbero,OptoFidelity/cerbero,nirbheek/cerbero,flexVDI/cerbero,EricssonResearch/cerbero,flexVDI/cerbero,flexVDI/cerbero,justinjoy/cerbero,multipath-rtp/cerbero,shoreflyer/cerbero,OptoFidelity/cerbero,multipath-rtp/cerbero,GStreamer/cerbero,shoreflyer/cerbero,shoreflyer/cerbero,shoreflyer/cerbero,justinjoy/cerbero,OptoFidelity/cerbero,nirbheek/cerbero,shoreflyer/cerbero