Install commit.hpp into target include directory

This ensures that users can include commit.hpp which
is needed to generate event logs

Change-Id: Ie04479d9a9ef41a3e3533db7bc20d33ff22b38be
Signed-off-by: Amithash Prasasd <amithash@meta.com>
diff --git a/lib/include/phosphor-logging/meson.build b/lib/include/phosphor-logging/meson.build
index 2b166cb..f129afe 100644
--- a/lib/include/phosphor-logging/meson.build
+++ b/lib/include/phosphor-logging/meson.build
@@ -15,6 +15,7 @@
 )
 
 install_headers(
+    'commit.hpp',
     'elog.hpp',
     'lg2.hpp',
     'log.hpp',