MIPS: Octeon: Add octeon_io_clk_delay() function.

Also cleanup and fix octeon_init_cvmcount()

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Acked-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 919b0fb..04dd8ff 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -548,6 +548,8 @@
 	}
 #endif
 
+	octeon_setup_delays();
+
 	/*
 	 * BIST should always be enabled when doing a soft reset. L2
 	 * Cache locking for instance is not cleared unless BIST is
@@ -611,7 +613,6 @@
 	mips_hpt_frequency = octeon_get_clock_rate();
 
 	octeon_init_cvmcount();
-	octeon_setup_delays();
 
 	_machine_restart = octeon_restart;
 	_machine_halt = octeon_halt;