arm: socfpga: fpga: fix type of local variable

The 'status' variable in 'socfpga_load()' for both gen5 and arria10
is of type 'unsigned long' while it is always used as 'int' only.
Change it to 'int'.

Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>

drivers/fpga/socfpga_arria10.c

@@ -453,7 +453,7 @@ int fpgamgr_program_finish(void)
  */
 int socfpga_load(Altera_desc *desc, const void *rbf_data, size_t rbf_size)
 {
-	unsigned long status;
+	int status;
 
 	/* disable all signals from hps peripheral controller to fpga */
 	writel(0, &system_manager_base->fpgaintf_en_global);

drivers/fpga/socfpga_gen5.c

@@ -204,7 +204,7 @@ static int fpgamgr_program_poll_usermode(void)
  */
 int socfpga_load(Altera_desc *desc, const void *rbf_data, size_t rbf_size)
 {
-	unsigned long status;
+	int status;
 
 	if ((uint32_t)rbf_data & 0x3) {
 		puts("FPGA: Unaligned data, realign to 32bit boundary.\n");