exa2pro/starpu-max: porting work to Maxeler DFE @ aba9b7562b525d9bc7646deee92bf76e24866ca3

Samuel Thibault aba9b7562b Make disk test actually test all backends. Partly revert r13785 which was using a union as a structure.		11 lat temu
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disk_compute.c	aba9b7562b Make disk test actually test all backends. Partly revert r13785 which was using a union as a structure.	11 lat temu
disk_copy.c	aba9b7562b Make disk test actually test all backends. Partly revert r13785 which was using a union as a structure.	11 lat temu