cpufreq: amd-pstate: fix code format problems

get some code format problems fixed in the amd-pstate driver.

Changes Made:

- Fixed incorrect comment format in the functions.

- Removed unnecessary blank line.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202404271148.HK9yHBlB-lkp@intel.com/
Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: Perry Yuan

drivers/cpufreq/amd-pstate.c

@@ -792,7 +792,7 @@ static void amd_pstate_update_limits(unsigned int cpu)
 	mutex_unlock(&amd_pstate_driver_lock);
 }
 
-/**
+/*
  * Get pstate transition delay time from ACPI tables that firmware set
  * instead of using hardcode value directly.
  */
@@ -807,7 +807,7 @@ static u32 amd_pstate_get_transition_delay_us(unsigned int cpu)
 	return transition_delay_ns / NSEC_PER_USEC;
 }
 
-/**
+/*
  * Get pstate transition latency value from ACPI tables that firmware
  * set instead of using hardcode value directly.
  */
@@ -822,7 +822,7 @@ static u32 amd_pstate_get_transition_latency(unsigned int cpu)
 	return transition_latency;
 }
 
-/**
+/*
  * amd_pstate_init_freq: Initialize the max_freq, min_freq,
  *                       nominal_freq and lowest_nonlinear_freq for
  *                       the @cpudata object.
@@ -843,7 +843,6 @@ static int amd_pstate_init_freq(struct amd_cpudata *cpudata)
 	u32 boost_ratio, lowest_nonlinear_ratio;
 	struct cppc_perf_caps cppc_perf;
 
-
 	ret = cppc_get_perf_caps(cpudata->cpu, &cppc_perf);
 	if (ret)
 		return ret;