firmware: zynqmp: Do not bind PD driver in SPL if disabled

Change if condition to cover SPL flow. SPL needs to have
CONFIG_SPL_POWER_DOMAIN enabled to be able to bind
CONFIG_ZYNQMP_POWER_DOMAIN driver.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/8e1d381013a0ce39d736da166d2b401c4b12d38a.1646064792.git.michal.simek@xilinx.com
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
index 8916c55..78da5ab 100644
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -334,7 +334,11 @@
 	int ret;
 	struct udevice *child;
 
-	if (IS_ENABLED(CONFIG_ZYNQMP_POWER_DOMAIN)) {
+	if ((IS_ENABLED(CONFIG_SPL_BUILD) &&
+	     IS_ENABLED(CONFIG_SPL_POWER_DOMAIN) &&
+	     IS_ENABLED(CONFIG_ZYNQMP_POWER_DOMAIN)) ||
+	     (!IS_ENABLED(CONFIG_SPL_BUILD) &&
+	      IS_ENABLED(CONFIG_ZYNQMP_POWER_DOMAIN))) {
 		ret = device_bind_driver_to_node(dev, "zynqmp_power_domain",
 						 "zynqmp_power_domain",
 						 dev_ofnode(dev), &child);