MIPS: Octeon: Delete unused cvmx-mdio.h

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: David Daney <ddaney@caviumnetworks.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14206/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/cavium-octeon/executive/cvmx-helper-board.c

@@ -36,8 +36,6 @@
 
 #include <asm/octeon/cvmx-config.h>
 
-#include <asm/octeon/cvmx-mdio.h>
-
 #include <asm/octeon/cvmx-helper.h>
 #include <asm/octeon/cvmx-helper-util.h>
 #include <asm/octeon/cvmx-helper-board.h>

arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c

@@ -33,8 +33,6 @@
 
 #include <asm/octeon/cvmx-config.h>
 
-
-#include <asm/octeon/cvmx-mdio.h>
 #include <asm/octeon/cvmx-pko.h>
 #include <asm/octeon/cvmx-helper.h>
 #include <asm/octeon/cvmx-helper-board.h>

arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c

@@ -34,7 +34,6 @@
 
 #include <asm/octeon/cvmx-config.h>
 
-#include <asm/octeon/cvmx-mdio.h>
 #include <asm/octeon/cvmx-helper.h>
 #include <asm/octeon/cvmx-helper-board.h>