arm: zynq: Add an info message about post config

Post configuration cant be run at u-boot as u-boot
didn't has any info about the design.So,this patch
adds an info message that post config was not run
and needs to be run manually if needed.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/fpga/zynqpl.c b/drivers/fpga/zynqpl.c
index 683cf14..069c63b 100644
--- a/drivers/fpga/zynqpl.c
+++ b/drivers/fpga/zynqpl.c
@@ -408,6 +408,8 @@
 	if (bstype != BIT_PARTIAL)
 		zynq_slcr_devcfg_enable();
 
+	puts("INFO:post config was not run, please run manually if needed\n");
+
 	return FPGA_SUCCESS;
 }