[OpenMP] Update FAQ for enabling cuda offloading
authorAsher Mancinelli <ashermancinelli@gmail.com>
Fri, 18 Jun 2021 17:52:59 +0000 (11:52 -0600)
committerAsher Mancinelli <ashermancinelli@gmail.com>
Fri, 18 Jun 2021 17:55:45 +0000 (11:55 -0600)
commit5c189d30e60ac044b5bb473648c5505b4acdeb08
tree9352cb6a1b132d5602abed6b194a6d4e9d8aaaa4
parente0b68f7149f9c66ba9e81878729225421f99a030
[OpenMP] Update FAQ for enabling cuda offloading

Add an FAQ entry and add a few lines to an existing one. Document
the use of `GCC_INSTALL_PREFIX` for pointing clang to correct
GCC installation for two-stage build.

Reviewed By: jhuber6

Differential Revision: https://reviews.llvm.org/D104474
openmp/docs/SupportAndFAQ.rst