fix(drivers/marvell/comphy-3700): fix Generation Setting registers names

According to Functional Specification, the common PHY register at offset
0x3f is actually Generation 3 Setting 2, while the register at offset
0x112 is Generation 2 Setting 3.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Change-Id: I4626672cbee2d08da1da7839a3cf3f90e78fa101
diff --git a/drivers/marvell/comphy/phy-comphy-3700.h b/drivers/marvell/comphy/phy-comphy-3700.h
index 4e99c5d..09056fc 100644
--- a/drivers/marvell/comphy/phy-comphy-3700.h
+++ b/drivers/marvell/comphy/phy-comphy-3700.h
@@ -117,8 +117,8 @@
 #define G2_TX_SSC_AMP_MASK		(((1 << G2_TX_SSC_AMP_LEN) - 1) << \
 					 G2_TX_SSC_AMP_OFF)
 
-#define COMPHY_REG_GEN2_SET_3	0x3f
-#define GEN2_SETTING_3_ADDR(unit)	(COMPHY_REG_GEN2_SET_3 * PHY_SHFT(unit))
+#define COMPHY_REG_GEN3_SET_2	0x3f
+#define GEN3_SETTING_2_ADDR(unit)	(COMPHY_REG_GEN3_SET_2 * PHY_SHFT(unit))
 #define G3_TX_SSC_AMP_OFF		9
 #define G3_TX_SSC_AMP_LEN		7
 #define G3_TX_SSC_AMP_MASK		(((1 << G2_TX_SSC_AMP_LEN) - 1) << \
@@ -144,7 +144,7 @@
 #define MISC_REG1_ADDR(unit)		(COMPHY_MISC_REG1_ADDR * PHY_SHFT(unit))
 #define SEL_BITS_PCIE_FORCE		BIT(15)
 
-#define COMPHY_REG_GEN3_SETTINGS_3	0x112
+#define COMPHY_REG_GEN2_SETTINGS_3	0x112
 #define COMPHY_GEN_FFE_CAP_SEL_MASK	0xF
 #define COMPHY_GEN_FFE_CAP_SEL_VALUE	0xF