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/include/asm/octeon/octeon.h b/arch/mips/include/asm/octeon/octeon.h
index 1e2486e..712f6b7 100644
--- a/arch/mips/include/asm/octeon/octeon.h
+++ b/arch/mips/include/asm/octeon/octeon.h
@@ -52,6 +52,7 @@
 
 extern void octeon_init_cvmcount(void);
 extern void octeon_setup_delays(void);
+extern void octeon_io_clk_delay(unsigned long);
 
 #define OCTEON_ARGV_MAX_ARGS	64
 #define OCTOEN_SERIAL_LEN	20