exa2pro/starpu-max: porting work to Maxeler DFE @ 5c4864f8d5e926c0cb31efe919fa6a7ca2960823

Samuel Thibault f8617a97b9 no need to pass the multiplier as a buffer		16 lat temu
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block.c	f8617a97b9 no need to pass the multiplier as a buffer	16 lat temu
block_cuda.cu	f8617a97b9 no need to pass the multiplier as a buffer	16 lat temu
block_kernel.cl	f8617a97b9 no need to pass the multiplier as a buffer	16 lat temu