Rename the N9 device mkspecs folder to match the *-maemo* regex

Change-Id: I0c7b74d67f44d776a74671d38bbc0f2424974c2c
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
Reviewed-by: Romain Pokrzywka <romain.pokrzywka@kdab.com>
Reviewed-by: Simon Hausmann <simon.hausmann@nokia.com>

diff --git a/mkspecs/devices/linux-n9-g++/qmake.conf b/mkspecs/devices/linux-maemo-n9-g++/qmake.conf
similarity index 100%
rename from mkspecs/devices/linux-n9-g++/qmake.conf
rename to mkspecs/devices/linux-maemo-n9-g++/qmake.conf

diff --git a/mkspecs/devices/linux-n9-g++/qplatformdefs.h b/mkspecs/devices/linux-maemo-n9-g++/qplatformdefs.h
similarity index 100%
rename from mkspecs/devices/linux-n9-g++/qplatformdefs.h
rename to mkspecs/devices/linux-maemo-n9-g++/qplatformdefs.h