fpga: xilinx: Simplify load/dump/info function handling

Connect FPGA version with appropriate operations
to remove huge switch-cases for every FPGA family.
Tested on Zynq. Spartan2/Spartan3/Virtex2 just compile test.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/fpga/zynqpl.c b/drivers/fpga/zynqpl.c
index b4d0e22..dcd3495 100644
--- a/drivers/fpga/zynqpl.c
+++ b/drivers/fpga/zynqpl.c
@@ -36,7 +36,7 @@
 #define CONFIG_SYS_FPGA_PROG_TIME	(CONFIG_SYS_HZ * 4) /* 4 s */
 #endif
 
-int zynq_info(xilinx_desc *desc)
+static int zynq_info(xilinx_desc *desc)
 {
 	return FPGA_SUCCESS;
 }
@@ -152,8 +152,7 @@
 	return 0;
 }
 
-
-int zynq_load(xilinx_desc *desc, const void *buf, size_t bsize)
+static int zynq_load(xilinx_desc *desc, const void *buf, size_t bsize)
 {
 	unsigned long ts; /* Timestamp */
 	u32 partialbit = 0;
@@ -358,7 +357,13 @@
 	return FPGA_SUCCESS;
 }
 
-int zynq_dump(xilinx_desc *desc, const void *buf, size_t bsize)
+static int zynq_dump(xilinx_desc *desc, const void *buf, size_t bsize)
 {
 	return FPGA_FAIL;
 }
+
+struct xilinx_fpga_op zynq_op = {
+	.load = zynq_load,
+	.dump = zynq_dump,
+	.info = zynq_info,
+};