Add -hexagon-long-calls to the options passed to LLVM.
Add -hexagon-long-calls to the options passed to LLVM.


Former-commit-id: d9c06bdac85f2c3bc335df6429c1ba9df0a0e56e
Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide