firmware: xilinx: Add configuration values for tri-state

Add configuration values(enable/disable) for tri-state parameter.
Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Link: https://lore.kernel.org/r/1655462819-28801-2-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

include/linux/firmware/xlnx-zynqmp.h

@@ -368,6 +368,11 @@ enum pm_pinctrl_drive_strength {
 	PM_PINCTRL_DRIVE_STRENGTH_12MA = 3,
 };
 
+enum pm_pinctrl_tri_state {
+	PM_PINCTRL_TRI_STATE_DISABLE = 0,
+	PM_PINCTRL_TRI_STATE_ENABLE = 1,
+};
+
 enum zynqmp_pm_shutdown_type {
 	ZYNQMP_PM_SHUTDOWN_TYPE_SHUTDOWN = 0,
 	ZYNQMP_PM_SHUTDOWN_TYPE_RESET = 1,