[C-API][DIBuilder] Added DIFlags in LLVMDIBuilderCreateBasicType

Added DIFlags in LLVMDIBuilderCreateBasicType to add optional DWARF
attributes, such as DW_AT_endianity.

Patch by Chirag Patel.

Differential Revision: https://reviews.llvm.org/D50832

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@340146 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed