CNB96: netdevsim: update netdevsim to the v6.12

JIRA: https://issues.redhat.com/browse/RHEL-57764
Tested: Verified using existing and newly introduced self-tests

Commits:

e2ece0bc5ab1 ("tools/net/ynl: Add --output-json arg to ynl cli")
771b7012e5f3 ("tools/net/ynl: Report netlink errors without stacktrace")
2a0683be5b4c ("selftests: Introduce Makefile variable to list shared bash scripts")
39369c9a6e09 ("selftests: netdevsim: add a config file")
afbf75e8da8c ("selftests: netdevsim: set test timeout to 10 minutes")
b86761ff6374 ("selftests: net: add scaffolding for Netlink tests in Python")
796c8c7fd257 ("selftests: nl_netdev: add a trivial Netlink netdev test")
f216306bfb60 ("netdevsim: report stats by default, like a real device")
b4db9f840283 ("selftests: drivers: add scaffolding for Netlink tests in Python")
f0e6c86e4bab ("testing: net-drv: add a driver test for stats reporting")
6ce2b689932b ("selftests: net: reuse common code in bpf_offload")
1580cbcbfe77 ("net: netdevsim: add some fake page pool use")
72ba6cba0a6e ("tools: ynl: don't return None for dumps")
eeb409bde964 ("selftests: net: print report check location in python tests")
99583b970b90 ("selftests: net: print full exception on failure")
8554d6e39b6a ("selftests: net: support use of NetdevSimDev under "with" in python")
05fa5c31b988 ("selftests: net: exercise page pool reporting via netlink")
94e2a19a0e22 ("net: netdevsim: select PAGE_POOL in Kconfig")
655614ea2bd3 ("selftests: net: fix counting totals when some checks fail")
4fa6bd4b33ac ("selftests: net: set the exit code correctly in Python tests")
1a20a9a0ddef ("selftests: drv-net: define endpoint structures")
543389295085 ("selftests: drv-net: factor out parsing of the env")
1880f272d2f9 ("selftests: drv-net: construct environment for running tests which require an endpoint")
a48a87c08664 ("selftests: drv-net: add a trivial ping test")
01b431641c33 ("selftests: net: support matching cases by name prefix")
31611cea8f0f ("selftests: drv-net: add a TCP ping test case (and useful helpers)")
f1e68a1a4a40 ("selftests: drv-net: add require_XYZ() helpers for validating env")
e1bb5e65de83 ("selftests: net: py: check process exit code in bkg() and background cmd()")
3762ec05a9fb ("netdevsim: add NAPI support")
1cf270424218 ("net: selftest: add test for netdev netlink queue-get API")
a61a459f5822 ("testing: net-drv: use stats64 for testing")
5add2f728846 ("netdevsim: fix backwards compatibility in nsim_get_iflink()")

Signed-off-by: Ivan Vecera ivecera@redhat.com