cpufreq: amd-pstate: Set default governor to schedutil

The Kconfig currently defaults the governor to schedutil on x86_64
only when intel-pstate and SMP have been selected.

If the kernel is built only with amd-pstate, the default governor
should also be schedutil.

Signed-off-by: Mario Limonciello <[email protected]>
Reviewed-by: Leo Li <[email protected]>
Acked-by: Huang Rui <[email protected]>
Tested-by: Perry Yuan <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>

Author: superm1

drivers/cpufreq/Kconfig

@@ -38,7 +38,7 @@ choice
 	prompt "Default CPUFreq governor"
 	default CPU_FREQ_DEFAULT_GOV_USERSPACE if ARM_SA1110_CPUFREQ
 	default CPU_FREQ_DEFAULT_GOV_SCHEDUTIL if ARM64 || ARM
-	default CPU_FREQ_DEFAULT_GOV_SCHEDUTIL if X86_INTEL_PSTATE && SMP
+	default CPU_FREQ_DEFAULT_GOV_SCHEDUTIL if (X86_INTEL_PSTATE || X86_AMD_PSTATE) && SMP
 	default CPU_FREQ_DEFAULT_GOV_PERFORMANCE
 	help
 	  This option sets which CPUFreq governor shall be loaded at