spl: Kconfig: Rename SPL_USBETH_SUPPORT to SPL_USB_ETHER to match with the U-boot CONFIG

Rename CONFIG_SPL_USBETH_SUPPORT to CONFIG_SPL_USB_ETHER.

This enables users to block text using CONFIG_IS_ENABLED() instead
of resorting to #if ladders with SPL and non-SPL cases.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
diff --git a/board/birdland/bav335x/board.c b/board/birdland/bav335x/board.c
index f284568..d4bb1e7 100644
--- a/board/birdland/bav335x/board.c
+++ b/board/birdland/bav335x/board.c
@@ -360,7 +360,7 @@
  * Build in only these cases to avoid warnings about unused variables
  * when we build an SPL that has neither option but full U-Boot will.
  */
-#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) &&\
+#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)) &&\
 		defined(CONFIG_SPL_BUILD)) || \
 	((defined(CONFIG_DRIVER_TI_CPSW) || \
 	  defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)) && \
diff --git a/board/bosch/shc/board.c b/board/bosch/shc/board.c
index 999ed95..92689da 100644
--- a/board/bosch/shc/board.c
+++ b/board/bosch/shc/board.c
@@ -522,7 +522,7 @@
  * when we build an SPL that has neither option but full U-Boot will.
  */
 #if ((defined(CONFIG_SPL_ETH_SUPPORT) || \
-	defined(CONFIG_SPL_USBETH_SUPPORT)) && \
+	defined(CONFIG_SPL_USB_ETHER)) && \
 	defined(CONFIG_SPL_BUILD)) || \
 	((defined(CONFIG_DRIVER_TI_CPSW) || \
 	  defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)) && \
@@ -563,7 +563,7 @@
 #endif
 
 #if defined(CONFIG_USB_ETHER) && \
-	(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
+	(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USB_ETHER))
 	if (is_valid_ethaddr(mac_addr))
 		eth_env_set_enetaddr("usbnet_devaddr", mac_addr);
 
diff --git a/board/tcl/sl50/board.c b/board/tcl/sl50/board.c
index f79bb9d..933a407 100644
--- a/board/tcl/sl50/board.c
+++ b/board/tcl/sl50/board.c
@@ -299,7 +299,7 @@
  * Build in only these cases to avoid warnings about unused variables
  * when we build an SPL that has neither option but full U-Boot will.
  */
-#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) \
+#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)) \
 		&& defined(CONFIG_SPL_BUILD)) || \
 	((defined(CONFIG_DRIVER_TI_CPSW) || \
 	  defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
@@ -371,7 +371,7 @@
 
 #endif
 #if defined(CONFIG_USB_ETHER) && \
-	(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
+	(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USB_ETHER))
 	if (is_valid_ether_addr(mac_addr))
 		eth_env_set_enetaddr("usbnet_devaddr", mac_addr);
 
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 1a52bff..b144fd1 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -815,7 +815,7 @@
 };
 #endif
 
-#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) &&\
+#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)) &&\
 	defined(CONFIG_SPL_BUILD)) || \
 	((defined(CONFIG_DRIVER_TI_CPSW) || \
 	  defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
@@ -836,7 +836,7 @@
 {
 	int rv, n = 0;
 #if defined(CONFIG_USB_ETHER) && \
-	(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
+	(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USB_ETHER))
 	uint8_t mac_addr[6];
 	uint32_t mac_hi, mac_lo;
 
@@ -906,7 +906,7 @@
 	}
 #endif
 #if defined(CONFIG_USB_ETHER) && \
-	(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
+	(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USB_ETHER))
 	if (is_valid_ethaddr(mac_addr))
 		eth_env_set_enetaddr("usbnet_devaddr", mac_addr);
 
diff --git a/board/vscom/baltos/board.c b/board/vscom/baltos/board.c
index cb39190..533d45e 100644
--- a/board/vscom/baltos/board.c
+++ b/board/vscom/baltos/board.c
@@ -423,7 +423,7 @@
 };
 #endif
 
-#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) \
+#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)) \
 		&& defined(CONFIG_SPL_BUILD)) || \
 	((defined(CONFIG_DRIVER_TI_CPSW) || \
 	  defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)) && \