Fix target platform names

The target names of the 4.5 target definitions seem to not have been
adapted when copying the target files from 4.4 initially.

This can be very confusing when using the PDE option to show the target
name in the status bar.

Change-Id: Iaca415419ec091904e894613ed011d29e2967d10
Signed-off-by: Michael Keppler <michael.keppler@gmx.de>