CL/Vulkan: Pass proper arch flag to clspv Needed to update the processedOptions field so that we append the "-arch=" flag based off the device's address bits value. Bug: angleproject:356328474 Change-Id: I5f42f4cdf30ccef9e9aad8eb040f6cbdf8d3b750 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5753767 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Austin Annestrand <a.annestrand@samsung.com> Reviewed-by: Geoff Lang <geofflang@chromium.org>