build: Some minor refactoring

Change-Id: I169d24356b883ba73327e1c6ab8d87a2398ced90
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meson_options.txt b/meson_options.txt
index 70c130e..5c5aace 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1,12 +1,2 @@
-option(
-    'tests',
-    type: 'feature',
-    value: 'enabled',
-    description: 'Build tests',
-)
-option(
-    'google_oen',
-    type: 'feature',
-    value: 'enabled',
-    description: 'Enable the Google OEN handler',
-)
+option('tests', type: 'feature', description: 'Build tests')
+option('google_oen', type: 'boolean', description: 'Enable the Google OEN handler')