Fix mcu option

If the mcu temp sensor is not included in a build, it isn't showing up.
This is due to meson_options.txt having 2 different names for mcu;  mcu,
and mcu-temp.  The upstream recipe uses mcu to key, so lets just do
that.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: Ib84c96b97c534c81e9e4e83c838dffe4e26b6957
diff --git a/service_files/meson.build b/service_files/meson.build
index cbfb6e4..64d0974 100644
--- a/service_files/meson.build
+++ b/service_files/meson.build
@@ -6,7 +6,7 @@
     ['hwmon-temp', 'xyz.openbmc_project.hwmontempsensor.service'],
     ['ipmb', 'xyz.openbmc_project.ipmbsensor.service'],
     ['intrusion', 'xyz.openbmc_project.intrusionsensor.service'],
-    ['mcu-temp', 'xyz.openbmc_project.mcutempsensor.service'],
+    ['mcu', 'xyz.openbmc_project.mcutempsensor.service'],
     ['nvme', 'xyz.openbmc_project.nvmesensor.service'],
     ['psu', 'xyz.openbmc_project.psusensor.service'],
 ]