MIPS: Octeon: Remove bogus code from octeon_get_clock_rate()

We can run with any simulator clock rate.  Get rid of the code
overriding it to 6MHz.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Patchwork: http://patchwork.linux-mips.org/patch/1669/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/cavium-octeon/setup.c

@@ -96,8 +96,6 @@ int octeon_is_pci_host(void)
  */
 uint64_t octeon_get_clock_rate(void)
 {
-	if (octeon_is_simulation())
-		octeon_bootinfo->eclock_hz = 6000000;
 	return octeon_bootinfo->eclock_hz;
 }
 EXPORT_SYMBOL(octeon_get_clock_rate);