Update qt_update_submodules.pl for qtpim and qlalr

qtpim.git only has a 'dev' branch nowadays
qlalr.git was removed as the code was moved to qtbase.git

Change-Id: I04a8d2ff5c99c683053efde5133cdaf8ab29ac02
Reviewed-by: Simo Fält <simo.falt@digia.com>