firmware: Remove probe which is causing extra bind

Remove probe function dm_scan_fdt_dev from zynqmp-firmware driver.
It is just binding its subnode zynqmp-clk.
As a result one extra node is showing up in dm tree.

This is not required, it is anyway bound from it's own zynqmp-clk driver.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
index dea58b5..2a2aa2f 100644
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -187,6 +187,5 @@
 U_BOOT_DRIVER(zynqmp_firmware) = {
 	.id = UCLASS_FIRMWARE,
 	.name = "zynqmp-firmware",
-	.probe = dm_scan_fdt_dev,
 	.of_match = zynqmp_firmware_ids,
 };