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5255 uts shouldn't open-code ISP2

*** 908,918 **** /* * contig_mem_alloc requires size to be a power of 2. * Increase size to next power of 2 if necessary. */ ! if ((pri_size & (pri_size - 1)) != 0) buf_size = 1 << highbit(pri_size); DS_PRI_DBG("ds_get_hv_pri: buf_size = 0x%lx\n", buf_size); buf_va = contig_mem_alloc(buf_size); if (buf_va == NULL) --- 908,918 ---- /* * contig_mem_alloc requires size to be a power of 2. * Increase size to next power of 2 if necessary. */ ! if (!ISP2(pri_size)) buf_size = 1 << highbit(pri_size); DS_PRI_DBG("ds_get_hv_pri: buf_size = 0x%lx\n", buf_size); buf_va = contig_mem_alloc(buf_size); if (buf_va == NULL)