obmcutil: add meson.option to prevent install

This utility does not work on all systems, such as multi-host
systems.  Add an option that allows system maintainers to prevent
it from being installed.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I28f66229eeaace895d3c7771d60d5fd71f49bee8
diff --git a/meson.build b/meson.build
index e9e5729..02c13dd 100644
--- a/meson.build
+++ b/meson.build
@@ -253,11 +253,13 @@
     install: true,
 )
 
-install_data(
-    'obmcutil',
-    install_mode: 'rwxr-xr-x',
-    install_dir: get_option('bindir'),
-)
+if get_option('install-utils').allowed()
+    install_data(
+        'obmcutil',
+        install_mode: 'rwxr-xr-x',
+        install_dir: get_option('bindir'),
+    )
+endif
 
 install_data(
     'scripts/host-reboot',