[oe] Creating a Own Tool chain, some referenced packages are not included into the SDK archive

[Hauser, Wolfgang (external)]

>Worked here for long time and environment-setup gets populated with 
>corresponding lines...

It may work if command "script" wasn't installed on a host system, while
variable "script" is set in meta-toolchain.bb in the right way, so it
was found by meta-toolchain-qte.bb too.

Regards
Wolfgang Hauser