dev-util/spirv-headers: add upstream patch for clspv

this patch is needed to update clspv. It can be removed once we update
spirv-headers with a newer version containing this commit.

BUG=b:241773396
TEST=emerge-volteer spirv-headers

Change-Id: Idfe2f4d52104e4515c12ddb6c49a2aaa391ce543
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3817521
Commit-Queue: Romaric Jodin <rjodin@chromium.org>
Commit-Queue: Matt Turner <msturner@google.com>
Reviewed-by: Ilja Friedel <ihf@chromium.org>
Auto-Submit: Romaric Jodin <rjodin@chromium.org>
Reviewed-by: Matt Turner <msturner@google.com>
Commit-Queue: Ilja Friedel <ihf@chromium.org>
Tested-by: Romaric Jodin <rjodin@chromium.org>
3 files changed