lima/ppir: add missing handling of min/max ops for vec4 add slot

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Reviewed-by: Qiang Yu <yuq825@gmail.com>
10 jobs for !1003 with lima-pp-fixes in 10 minutes and 37 seconds (queued for 1 second)
merge request