[llvm-objcopy][MachO] Add support for min os version load commands

Add support for min os version load commands.

Test plan: make check-all

Differential revision: https://reviews.llvm.org/D69419
diff --git a/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp b/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
index f621f3a..006eb8c 100644
--- a/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
+++ b/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
@@ -318,6 +318,9 @@
     case MachO::LC_SEGMENT:
     case MachO::LC_SEGMENT_64:
     case MachO::LC_VERSION_MIN_MACOSX:
+    case MachO::LC_VERSION_MIN_IPHONEOS:
+    case MachO::LC_VERSION_MIN_TVOS:
+    case MachO::LC_VERSION_MIN_WATCHOS:
     case MachO::LC_BUILD_VERSION:
     case MachO::LC_ID_DYLIB:
     case MachO::LC_LOAD_DYLIB: