Merge branch 'ptp-driver-for-s390-clocks'

Sven Schnelle says:

====================
PtP driver for s390 clocks

these patches add support for using the s390 physical and TOD clock as ptp
clock. To do so, the first patch adds a clock id to the s390 TOD clock,
while the second patch adds the PtP driver itself.
====================

Link: https://patch.msgid.link/20241023065601.449586-1-svens@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>