MFH: r567534

emulators/rpcs3: unbreak Vulkan on Intel after r562625

ioctl(I915_GEM_USERPTR) failed. Try running as root but expect poor stability.
F {RSX [0x000255c]} SIG: Thread terminated due to fatal error: Assertion Failed! Vulkan API call failed with unrecoverable error: Invalid external handle (VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR)
(in file rpcs3/Emu/RSX/VK/vkutils/memory.cpp:224[:79], in function memory_block_host) (errno=1)
(in file rpcs3/Emu/RSX/VK/vkutils/shared.cpp:103[:4], in function die_with_error) (errno=1)