libsoup: Add recipe for v2.40.3

[GF-4857] gst1.0 development desires newer upstream components

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@lge.com>
Change-Id: I3719546a52a180ca9fd2c41d8664093ec5673f48
Reviewed-on: https://g2g.palm.com/2155
Reviewed-by: Susan Montooth <susan.montooth@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Martin Jansa <Martin.Jansa@lge.com>
Tested-by: Martin Jansa <Martin.Jansa@lge.com>