Fix typo in meson.build

description is misspelled as decsription in meson.build

Tested:
Build with meson passed.

Change-Id: I7f14c8c34b3aa60bb208508177f4bb4b4241dd18
Signed-off-by: Jiaqing Zhao <jiaqing.zhao@intel.com>
diff --git a/meson.build b/meson.build
index d90ab95..ab9d2d9 100644
--- a/meson.build
+++ b/meson.build
@@ -45,7 +45,7 @@
                       description : 'systemd busname.')
 
 conf_data.set_quoted('SYSTEMD_PATH', '/org/freedesktop/systemd1',
-                      decsription :  'systemd path')
+                      description :  'systemd path')
 
 conf_data.set_quoted('SYSTEMD_INTERFACE', 'org.freedesktop.systemd1.Manager',
                       description : 'systemd interface.')