reset: rzg2l-usbphy-ctrl: Add new driver

Add a new driver to control the USB 2.0 PHY reset controller on the
Renesas RZ/G2L and related SoCs.

Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index fe5c121..80e83a4 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -235,4 +235,13 @@
 	  This enables the Reset Controller driver support for Microchip/Atmel
 	  SoCs. Mainly used to expose assert/deassert methods to other drivers
 	  that require it.
+
+config RESET_RZG2L_USBPHY_CTRL
+	bool "Enable support for Renesas RZ/G2L USB 2.0 PHY control"
+	depends on DM_RESET
+	help
+	  Enable support for controlling USB 2.0 PHY resets on the Renesas
+	  RZ/G2L SoC. This is required for USB 2.0 functionality to work on this
+	  SoC.
+
 endmenu