build: install strgfnhandler into ipmi-providers dir

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I454ea1157f5bf75937a2215317ab018fefee2252
diff --git a/meson.build b/meson.build
index 77df916..a14a221 100644
--- a/meson.build
+++ b/meson.build
@@ -84,6 +84,7 @@
   override_options: [ 'b_lundef=false' ],
   version: meson.project_version(),
   install: true,
+  install_dir: get_option('libdir') / 'ipmid-providers',
 )
 
 executable(