update target CPUs and features with llvm10's data

based on zig-llvm-target-details-generator
commit 3aef1b9b4415ed3acfaea4ce8bc233e213548f71
70ee818d21Andrew Kelley committed on 1/30/2020, 4:31:41 PMparentc75f65d
9 files changedLine totals unavailable