mcap: linux: Improve error info..

This patch updates the error information
message in the driver so that it will error out
with detailed info so that it will be clear to the users
incase of path to bitstreams is incorrect.

Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>

mcap/linux/mcap_lib.c

@@ -635,7 +635,10 @@ int MCapConfigureFPGA(struct mcap_dev *mdev, char *file_path, u32 bitfile_type)
 		bswap = 1;
 
 	} else {
-		pr_err("Unknown File Format\n");
+		pr_err("Unknown File Format.. This may be");
+		pr_err(" due to .bit/.bin/.rbt files does not exist at the.");
+		pr_err(" specified location, Please cross check the");
+		pr_err(" path is correct or not\n");
 		goto free_resources;
 	}