fix: i2cvr-software-update meson.build cleanup for i2c dependency

Change-Id: Ie2f004bcdf672a850888aa089f12ede402f1ed24
Signed-off-by: Christopher Meis <christopher.meis@9elements.com>
diff --git a/meson.build b/meson.build
index 9c7c919..d785bb4 100644
--- a/meson.build
+++ b/meson.build
@@ -89,6 +89,7 @@
 endif
 
 if get_option('i2cvr-software-update').enabled()
+    subdir('common/i2c/')
     subdir('i2c-vr')
 endif