build: add wrapfiles for dependencies

Add wrapfiles for all dependencies and update meson.build
files to ensure dependencies are requested in all cases.
This enables out-of-bitbake/out-of-sdk builds for this
repository and enables it to be used as a meson subproject.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I0f2f7eed98f7f7555cafefc2605e1031a7f0adaf
diff --git a/.gitignore b/.gitignore
index c3d0974..8ad1400 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+subprojects/*
+!subprojects/*.wrap
+
 # Template from
 # https://github.com/github/gitignore/blob/master/Autotools.gitignore