net: phy: nxp-tja11xx: Add NXP TJA11xx PHY driver

Add driver for the NXP TJA1100 and TJA1101 PHYs. These PHYs are special
BroadRReach 100BaseT1 PHYs used in automotive.

Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 014a4de..d40ce92 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -215,6 +215,11 @@
 	  Enable support for NXP C45 TJA11XX PHYs.
 	  Currently supports only the TJA1103 PHY.
 
+config PHY_NXP_TJA11XX
+	bool "NXP TJA11XX Ethernet PHYs support"
+	help
+	  Currently supports the NXP TJA1100 and TJA1101 PHY.
+
 config PHY_REALTEK
 	bool "Realtek Ethernet PHYs support"