lima: split_load_input: don't split unaligned vec2
Mali4x0 can't fetch unaligned vec2, so don't split it.
Fixes: 6dd0ad66 ("lima/ppir: add NIR pass to split varying loads")
Signed-off-by: Vasily Khoruzhick anarsoul@gmail.com
Edited by Vasily Khoruzhick