v3dv: fix VK_KHR_vertex_attribute_divisor
v3dv: fix VK_KHR_vertex_attribute_divisor
When this was promoted to EXT it expanded its properties struct to add a new supportsNonZeroFirstInstance field.
Fixes: d38ff02c ("v3dv: mark some promoted extensions as supported") Fixes: dEQP-VK.api.info.vulkan1p2_limits_validation.khr_vertex_attribute_divisor