configuration: correct Mt.Jade platform name

Mt.Jade platform has the platform name of mtjade, not mt_jade.
This commit updates the Mt.Jade entity-manager configuration file name
to mtjade.json to match its platform name.

Change-Id: I3f780b342aa3cbdd16c8872fa287f0a01447ae66
Signed-off-by: Thang Q. Nguyen <thang@os.amperecomputing.com>
diff --git a/configurations/mt_jade.json b/configurations/mtjade.json
similarity index 100%
rename from configurations/mt_jade.json
rename to configurations/mtjade.json
diff --git a/meson.build b/meson.build
index c8a15e7..fdbc16d 100644
--- a/meson.build
+++ b/meson.build
@@ -125,7 +125,7 @@
     'kudo_bmc.json',
     'kudo_motherboard.json',
     'mori_bmc.json',
-    'mt_jade.json',
+    'mtjade.json',
     'mtmitchell_bmc.json',
     'mtmitchell_mb.json',
     'nisqually.json',