net: dsa: seville: remove unused defines for the mdio controller

Some definitions were likely copied from
drivers/net/mdio/mdio-mscc-miim.c.

They are not necessary, remove them.
Signed-off-by: NVladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/dsa/ocelot/seville_vsc9953.c

@@ -16,23 +16,12 @@
 #define VSC9953_VCAP_IS2_ENTRY_WIDTH		376
 #define VSC9953_VCAP_PORT_CNT			10
 
-#define MSCC_MIIM_REG_STATUS			0x0
-#define		MSCC_MIIM_STATUS_STAT_BUSY	BIT(3)
-#define MSCC_MIIM_REG_CMD			0x8
 #define		MSCC_MIIM_CMD_OPR_WRITE		BIT(1)
 #define		MSCC_MIIM_CMD_OPR_READ		BIT(2)
 #define		MSCC_MIIM_CMD_WRDATA_SHIFT	4
 #define		MSCC_MIIM_CMD_REGAD_SHIFT	20
 #define		MSCC_MIIM_CMD_PHYAD_SHIFT	25
 #define		MSCC_MIIM_CMD_VLD		BIT(31)
-#define MSCC_MIIM_REG_DATA			0xC
-#define		MSCC_MIIM_DATA_ERROR		(BIT(16) | BIT(17))
-
-#define MSCC_PHY_REG_PHY_CFG		0x0
-#define		PHY_CFG_PHY_ENA		(BIT(0) | BIT(1) | BIT(2) | BIT(3))
-#define		PHY_CFG_PHY_COMMON_RESET BIT(4)
-#define		PHY_CFG_PHY_RESET	(BIT(5) | BIT(6) | BIT(7) | BIT(8))
-#define MSCC_PHY_REG_PHY_STATUS		0x4
 
 static const u32 vsc9953_ana_regmap[] = {
 	REG(ANA_ADVLEARN,			0x00b500),