pytorch

8f1af094 - [iOS] Fix the fbios armv7 pika build

[iOS] Fix the fbios armv7 pika build Summary: UBN task - T80034029 Test Plan: 1. pika-armv7: ` buck build //xplat/caffe2:aten_metalApple --flagfile 'fbsource//fbobjc/mode/ios.py#iphoneos-armv7,pika10,apple_toolchain'` 2. pika-arm64: ` buck build //xplat/caffe2:aten_metalApple --flagfile 'fbsource//fbobjc/mode/ios.py#iphoneos,pika10,apple_toolchain'` Differential Revision: D25134207 fbshipit-source-id: 68b32dab1fc382ec23d7602e34bb64786cb38254