This is added with VK_KHR_maintenance5 to allow 64-bit
for pipeline creation flags.
The flags are backwards compatible so we don't need to
change the flag enum values by the new ones.
This patch also addresses a small issue where compute pipelines
where not initializing the flags field in the pipeline object.
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29449>
Iago Toral Quiroga
3f3c83a6b7