Make names more sensible.

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1593 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/arch/ppc/include/clock.h

@@ -4,6 +4,6 @@
 /*
  * Various clock routines.
  */
-extern unsigned long get_clock_speed(void);
-extern unsigned long get_bus_freq(void);
+extern unsigned long get_timer_freq(void);
+extern unsigned long get_pci_bus_freq(void);
 #endif /* _CLOCK_H */

src/arch/ppc/lib/timer.c

@@ -7,7 +7,7 @@
 
 unsigned long get_hz(void)
 {
-	return get_clock_speed();
+	return get_timer_freq();
 }
 
 unsigned long ticks_since_boot(void)