World: Resolve any symlinks for base package path
World: Resolve any symlinks for base package path

This will ensure the namespace used for the base package does not
change depending on whether the file path is a real or symbolic link.

Change-Id: I13068e4d53b21d4c04d57e48d4fe4331abfde3db
Reviewed-by: Mark Wutzke <c75521caf202773104efc81b0d71385bb374d3af@alliedtelesis.co.nz>
Reviewed-by: Scott Parlane <85029adc3fa41ef14594a57826619713bfe95f25@alliedtelesis.co.nz>
Signed-off-by: Matt Bennett <e3d8681cec70d3da741935b3385821001b249adc@alliedtelesis.co.nz>

alliedtelesis/buildsyspp,ATL-NZ/buildsyspp