Convert CONFIG_DW_ALTDESCRIPTOR to Kconfig

This converts the following to Kconfig:
   CONFIG_DW_ALTDESCRIPTOR

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/galileo_defconfig b/configs/galileo_defconfig
index 104532b..5ae13d5 100644
--- a/configs/galileo_defconfig
+++ b/configs/galileo_defconfig
@@ -49,6 +49,7 @@
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_CPU=y
+CONFIG_DW_ALTDESCRIPTOR=y
 CONFIG_SPI=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_KEYBOARD=y
diff --git a/configs/stm32746g-eval_defconfig b/configs/stm32746g-eval_defconfig
index 8ca8929..6461065 100644
--- a/configs/stm32746g-eval_defconfig
+++ b/configs/stm32746g-eval_defconfig
@@ -48,6 +48,7 @@
 CONFIG_PHY_SMSC=y
 CONFIG_DM_ETH=y
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_DW_ALTDESCRIPTOR=y
 CONFIG_MII=y
 # CONFIG_PINCTRL_FULL is not set
 CONFIG_SPI=y
diff --git a/configs/stm32746g-eval_spl_defconfig b/configs/stm32746g-eval_spl_defconfig
index 55e44f8..753a4b8 100644
--- a/configs/stm32746g-eval_spl_defconfig
+++ b/configs/stm32746g-eval_spl_defconfig
@@ -69,6 +69,7 @@
 CONFIG_PHY_SMSC=y
 CONFIG_DM_ETH=y
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_DW_ALTDESCRIPTOR=y
 CONFIG_MII=y
 # CONFIG_PINCTRL_FULL is not set
 CONFIG_SPL_PINCTRL=y
diff --git a/configs/stm32f746-disco_defconfig b/configs/stm32f746-disco_defconfig
index 22274f9..e3f80ab 100644
--- a/configs/stm32f746-disco_defconfig
+++ b/configs/stm32f746-disco_defconfig
@@ -48,6 +48,7 @@
 CONFIG_PHY_SMSC=y
 CONFIG_DM_ETH=y
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_DW_ALTDESCRIPTOR=y
 CONFIG_MII=y
 # CONFIG_PINCTRL_FULL is not set
 CONFIG_SPI=y
diff --git a/configs/stm32f746-disco_spl_defconfig b/configs/stm32f746-disco_spl_defconfig
index c174984..927d28d 100644
--- a/configs/stm32f746-disco_spl_defconfig
+++ b/configs/stm32f746-disco_spl_defconfig
@@ -69,6 +69,7 @@
 CONFIG_PHY_SMSC=y
 CONFIG_DM_ETH=y
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_DW_ALTDESCRIPTOR=y
 CONFIG_MII=y
 # CONFIG_PINCTRL_FULL is not set
 CONFIG_SPL_PINCTRL=y
diff --git a/configs/stm32f769-disco_defconfig b/configs/stm32f769-disco_defconfig
index 9845eb0..b7e9ee9 100644
--- a/configs/stm32f769-disco_defconfig
+++ b/configs/stm32f769-disco_defconfig
@@ -47,6 +47,7 @@
 CONFIG_PHY_SMSC=y
 CONFIG_DM_ETH=y
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_DW_ALTDESCRIPTOR=y
 CONFIG_MII=y
 # CONFIG_PINCTRL_FULL is not set
 CONFIG_SPI=y
diff --git a/configs/stm32f769-disco_spl_defconfig b/configs/stm32f769-disco_spl_defconfig
index a5dc89c..bae28b4 100644
--- a/configs/stm32f769-disco_spl_defconfig
+++ b/configs/stm32f769-disco_spl_defconfig
@@ -68,6 +68,7 @@
 CONFIG_PHY_SMSC=y
 CONFIG_DM_ETH=y
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_DW_ALTDESCRIPTOR=y
 CONFIG_MII=y
 # CONFIG_PINCTRL_FULL is not set
 CONFIG_SPL_PINCTRL=y
diff --git a/configs/stv0991_defconfig b/configs/stv0991_defconfig
index d03d984..2c14306 100644
--- a/configs/stv0991_defconfig
+++ b/configs/stv0991_defconfig
@@ -37,6 +37,7 @@
 CONFIG_PHY_MICREL_KSZ8XXX=y
 CONFIG_PHY_RESET_DELAY=10000
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_DW_ALTDESCRIPTOR=y
 CONFIG_MII=y
 CONFIG_CADENCE_QSPI=y
 CONFIG_HAS_CQSPI_REF_CLK=y