The software Vulkan driver requires the LLVM to be built. Make this
driver enabled if the `gallium-llvm' config option is enabled.
(From OE-Core rev: 4c95a7381ea835dce8119845d6c146800e98f960)
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>