Also execute standard transposes on GPU.
Also execute standard transposes on GPU.

mrakgr/futhark,CulpaBS/wbBach,mrakgr/futhark,diku-dk/futhark,HIPERFIT/futhark,diku-dk/futhark,mrakgr/futhark,ihc/futhark,HIPERFIT/futhark,diku-dk/futhark,diku-dk/futhark,ihc/futhark,ihc/futhark,diku-dk/futhark,HIPERFIT/futhark