cpufreq/amd-pstate: Use FIELD_MODIFY()

Use FIELD_MODIFY() to remove open-coded bit manipulation.
No functional change intended.

Signed-off-by: Hans Zhang <18255117159@163.com>
Reviewed-by: K Prateek Nayak <kprateek.nayak@amd.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Hans Zhang 2026-05-01 00:32:12 +08:00 • committed by Viresh Kumar
commit 08a64b9bfc