phy: phy_brcmstb_sata: remove duplicate definitions

Remove duplicate definitions.

Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

drivers/phy/phy-brcmstb-sata.c

@@ -26,8 +26,6 @@
 
 #define SATA_MDIO_BANK_OFFSET				0x23c
 #define SATA_MDIO_REG_OFFSET(ofs)			((ofs) * 4)
-#define SATA_MDIO_REG_SPACE_SIZE			0x1000
-#define SATA_MDIO_REG_LENGTH				0x1f00
 
 #define MAX_PORTS					2