Add mgnt/spider/medusa board sensors for Yosemite 4

- Configure the following type sensors:
 - adm1272
 - adm1281
 - adc128d818
 - aspeed adc
 - ina233
 - pmbus
 - tmp75
 - tmp421
- Revise condition to probe json config for entity-manager

Tested:
- Read sensors from entity-manager through dbus

Change-Id: I7d4d8e94aab5f1cbca281e32deab958b593a6930
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
diff --git a/meson.build b/meson.build
index f282254..bbc6a9a 100644
--- a/meson.build
+++ b/meson.build
@@ -168,6 +168,9 @@
     'yosemite4_sentineldome.json',
     'yosemite4_floatingfalls.json',
     'yosemite4_wailuafalls.json',
+    'yosemite4.json',
+    'yosemite4_medusaboard.json',
+    'yosemite4_spiderboard.json',
 ]
 filepaths = []
 foreach c : configs