xlat: update BPF_* constants

xlat: update BPF_* constants

* xlat/bpf_map_types.in (BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE): New
constant introduced by Linux kernel commit v4.20-rc1~14^2~124^2~12^2~7.
(BPF_MAP_TYPE_QUEUE, BPF_MAP_TYPE_STACK): New constants introduced
by Linux kernel commit v4.20-rc1~151^2~32^2~11^2~3.
* xlat/bpf_commands.in (BPF_MAP_LOOKUP_AND_DELETE_ELEM): New constant
introduced by Linux kernel commit v4.20-rc1~151^2~32^2~11^2~2.
* tests/bpf.c (BPF_MAP_CREATE_checks): Update.