net: pcs: altera-tse: remove unnecessary register definitions

remove unused register definitions, left from the split with the
altera-tse mac driver.
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/pcs/pcs-altera-tse.c

@@ -12,22 +12,13 @@
 
 /* SGMII PCS register addresses
  */
-#define SGMII_PCS_SCRATCH	0x10
-#define SGMII_PCS_REV		0x11
 #define SGMII_PCS_LINK_TIMER_0	0x12
-#define   SGMII_PCS_LINK_TIMER_REG(x)		(0x12 + (x))
 #define SGMII_PCS_LINK_TIMER_1	0x13
 #define SGMII_PCS_IF_MODE	0x14
 #define   PCS_IF_MODE_SGMII_ENA		BIT(0)
 #define   PCS_IF_MODE_USE_SGMII_AN	BIT(1)
-#define   PCS_IF_MODE_SGMI_SPEED_MASK	GENMASK(3, 2)
-#define   PCS_IF_MODE_SGMI_SPEED_10	(0 << 2)
-#define   PCS_IF_MODE_SGMI_SPEED_100	(1 << 2)
-#define   PCS_IF_MODE_SGMI_SPEED_1000	(2 << 2)
 #define   PCS_IF_MODE_SGMI_HALF_DUPLEX	BIT(4)
 #define   PCS_IF_MODE_SGMI_PHY_AN	BIT(5)
-#define SGMII_PCS_DIS_READ_TO	0x15
-#define SGMII_PCS_READ_TO	0x16
 #define SGMII_PCS_SW_RESET_TIMEOUT 100 /* usecs */
 
 struct altera_tse_pcs {