mfd: intel-m10-bmc: Change contact for ABI docs

Change ABI documentation contact information from Russ Weight to
Peter Colberg.

Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Acked-by: Peter Colberg <peter.colberg@intel.com>
Link: https://lore.kernel.org/r/20230928164738.278635-1-russell.h.weight@intel.com


Signed-off-by: Lee Jones <lee@kernel.org>