amd: rename model_fxx_powernow to powernow.

Change-Id: Iee581183f9cd9f5fecd5604536b735f6a04a0f93
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7019
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
diff --git a/src/mainboard/asrock/939a785gmh/acpi_tables.c b/src/mainboard/asrock/939a785gmh/acpi_tables.c
index 2b05888..1b3a747 100644
--- a/src/mainboard/asrock/939a785gmh/acpi_tables.c
+++ b/src/mainboard/asrock/939a785gmh/acpi_tables.c
@@ -28,7 +28,7 @@
 #include <cpu/amd/amdk8_sysconf.h>
 #include "northbridge/amd/amdk8/acpi.h"
 #include <arch/cpu.h>
-#include <cpu/amd/model_fxx_powernow.h>
+#include <cpu/amd/powernow.h>
 #include <southbridge/amd/sb700/sb700.h>
 
 unsigned long acpi_fill_madt(unsigned long current)