panfrost: Split panfrost_batch_submit to prevent stack overflows

panfrost: Split panfrost_batch_submit to prevent stack overflows

panfrost_batch_submit can recurse to hundreds of levels to submit
dependencies, so split the actual submit code from the dependency
recursion, saving over a kilobyte of stack space per recursion
level. Enforce this with ATTRIBUTE_NOINLINE.

Use ATTRIBUTE_NOINLINE on panfrost_batch_submit itself as well to
prevent GCC from inlining the function into itself, which would use a
few hundred bytes of stack.

Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10574>