Move cl_khr_fp64 exntension enablement to gentype include lists

This will make adding cl_khr_fp16 support easier

Reviewed-by: Aaron Watry <awatry@gmail.com>
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>

git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@326816 91177308-0d34-0410-b5e6-96231b3b80d8
26 files changed