fpga: zynqmp: Fix second local variable declaration

No reason to define new_buf again.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/fpga/zynqmppl.c b/drivers/fpga/zynqmppl.c
index 22bfdd8..f6d9d50 100644
--- a/drivers/fpga/zynqmppl.c
+++ b/drivers/fpga/zynqmppl.c
@@ -153,7 +153,7 @@
 	} else if ((swap != SWAP_DONE) &&
 		   (zynqmp_pmufw_version() <= PMUFW_V1_0)) {
 		/* For bitstream which are aligned */
-		u32 *new_buf = (u32 *)buf;
+		new_buf = buf;
 
 		printf("%s: Bitstream is not swapped(%d) - swap it\n", __func__,
 		       swap);