Remove -mG0lib flag for hexagon, and specify -mhvx or -mhvx-double as needed
Remove -mG0lib flag for hexagon, and specify -mhvx or -mhvx-double as needed


Former-commit-id: 5c37d9d46f4946937ec6d0002f824aa8c0b1d306
darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide