soc/intel/xeon_sp: Use common block ACPI

Use the common block ACPI to further reduce the duplicate code.

Change-Id: If28d75cbb2a88363d70e3ae6a2cace46cb6bbbab
Signed-off-by: Marc Jones <marcjones@sysproconsulting.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48248
Reviewed-by: Jay Talbott <JayTalbott@sysproconsulting.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/xeon_sp/cpx/soc_acpi.c b/src/soc/intel/xeon_sp/cpx/soc_acpi.c
index 8e73008..d6eff5f 100644
--- a/src/soc/intel/xeon_sp/cpx/soc_acpi.c
+++ b/src/soc/intel/xeon_sp/cpx/soc_acpi.c
@@ -8,6 +8,7 @@
 #include <cpu/intel/turbo.h>
 #include <device/mmio.h>
 #include <device/pci.h>
+#include <intelblocks/acpi.h>
 #include <intelblocks/cpulib.h>
 #include <soc/acpi.h>
 #include <soc/cpu.h>
@@ -218,7 +219,7 @@
 	     ratio >= ratio_min; ratio -= ratio_step) {
 
 		/* Calculate power at this ratio */
-		power = calculate_power(power_max, ratio_max, ratio);
+		power = common_calculate_power_ratio(power_max, ratio_max, ratio);
 		clock = ratio * CONFIG_CPU_BCLK_MHZ;
 		//clock = 1;
 		acpigen_write_PSS_package(