configs: add fp5280g3 motherboard

Add configurations for the fp52803 system.

Signed-off-by: George Liu <liuxiwei@ieisystem.com>
Change-Id: I3c8427b853d1a96df377d34c0cb8044f5b9ca535
diff --git a/meson.build b/meson.build
index bb0dff3..82f65f1 100644
--- a/meson.build
+++ b/meson.build
@@ -117,6 +117,7 @@
     'fbyv35.json',
     'fbyv35_nic_mellanox.json',
     'flextronics_s-1100adu00-201_psu.json',
+    'fp5280g3_chassis.json',
     'fp5280g3_fanboard.json',
     'genesis3_psu.json',
     'genesis3_baseboard.json',