phy: nuvoton: add NPCM7xx phy control driver

add BMC NPCM750 phy control driver

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index c01d9e0..4a3856d 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -274,6 +274,13 @@
 	  multi-ports is first version, otherwise is second veriosn,
 	  so you can easily distinguish them by banks layout.
 
+config PHY_NPCM_USB
+	bool "Nuvoton NPCM USB PHY support"
+	depends on PHY
+	depends on ARCH_NPCM
+	help
+	  Support the USB PHY in NPCM SoCs
+
 config PHY_IMX8MQ_USB
 	bool "NXP i.MX8MQ/i.MX8MP USB PHY Driver"
 	depends on PHY