peci: controller: peci-aspeed: convert from round_rate() to determine_rate()

peci: controller: peci-aspeed: convert from round_rate() to determine_rate()

The round_rate() clk ops is deprecated, so migrate this driver from
round_rate() to determine_rate() using the Coccinelle semantic patch
appended to the "under-the-cut" portion of the patch.

Signed-off-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Iwona Winiarska <iwona.winiarska@intel.com>
Link: https://lore.kernel.org/r/20250810-peci-round-rate-v1-1-ec96d216a455@redhat.com
Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com>