AMDHSA/NFC: Address missed review feedback from https://reviews.llvm.org/D47566
AMDHSA/NFC: Address missed review feedback from
https://reviews.llvm.org/D47566

Change wording from "Must be backwards compatible" to
"Must match hardware definition" for enums that are
defined by hardware.



git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@335705 91177308-0d34-0410-b5e6-96231b3b80d8

GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,apple/swift-llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm