fpga: xilinx: Avoid CamelCase for in Xilinx_desc

No functional changes.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/board/spear/x600/fpga.c b/board/spear/x600/fpga.c
index c26eba4..b256222 100644
--- a/board/spear/x600/fpga.c
+++ b/board/spear/x600/fpga.c
@@ -173,7 +173,7 @@
 	fpga_post_config_fn,
 };
 
-static Xilinx_desc fpga[CONFIG_FPGA_COUNT] = {
+static xilinx_desc fpga[CONFIG_FPGA_COUNT] = {
 	XILINX_XC3S1200E_DESC(slave_serial, &x600_fpga_fns, 0)
 };