meson: add subproject wraps for current dependencies

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I561ab5fa76b8cd7f7d7aac9fd89d471846dcf488
diff --git a/.gitignore b/.gitignore
index 378eac2..6da54be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
-build
+build*/
+subprojects/*
+!subprojects/*.wrap