qt4 4.7.0: move pg patch to proper location

diff --git a/recipes/qt4/files/hack-out-pg2-4.7.0.patch b/recipes/qt4/qt-4.7.0/hack-out-pg2-4.7.0.patch
similarity index 100%
rename from recipes/qt4/files/hack-out-pg2-4.7.0.patch
rename to recipes/qt4/qt-4.7.0/hack-out-pg2-4.7.0.patch