The configure script contains hardcoded lookup paths to /usr and other
paths that might interfere with the host. These are overwritten with the
staging dir locations for Poky compatibility.

Backport from meta-oe master rev. 74b66d19

Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Jan-Simon Moeller <dl9pf@gmx.de>