net: phy: ca_phy: Add driver for CAxxxx SoCs

Add phy driver support for MACs embedded inside Cortina Access SoCs

Signed-off-by: Abbie Chang <abbie.chang@cortina-access.com>
Signed-off-by: Alex Nemirovsky <alex.nemirovsky@cortina-access.com>

CC: Joe Hershberger <joe.hershberger@ni.com>
CC: Tom Rini <trini@konsulko.com>
CC: Aaron Tseng <aaron.tseng@cortina-access.com>

Moved out PHY specific code out of Cortina NI Ethernet driver
and into a Cortina Access PHY interface driver
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 51733dd..d695030 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -131,6 +131,13 @@
 
 endchoice
 
+config PHY_CORTINA_ACCESS
+	bool "Cortina Access Ethernet PHYs support"
+	default y
+	depends on CORTINA_NI_ENET
+	help
+		Cortina Access Ethernet PHYs init process
+
 config PHY_DAVICOM
 	bool "Davicom Ethernet PHYs support"