fpga: xilinx: Avoid CamelCase for in Xilinx_desc

No functional changes.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/board/gen860t/fpga.c b/board/gen860t/fpga.c
index 48a4222..dd0ef70 100644
--- a/board/gen860t/fpga.c
+++ b/board/gen860t/fpga.c
@@ -56,7 +56,7 @@
 	fpga_post_config_fn
 };
 
-Xilinx_desc fpga[CONFIG_FPGA_COUNT] = {
+xilinx_desc fpga[CONFIG_FPGA_COUNT] = {
 	{xilinx_virtex2,
 	 slave_selectmap,
 	 XILINX_XC2V3000_SIZE,