anv: Advertise shaderIntegerFunctions2

We advertised the extension string but never the feature bit.  Doh!

Fixes: c57338b92471 "anv: Enable SPV_INTEL_shader_integer_functions2..."
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6033>

src/intel/vulkan/anv_device.c

diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index 0b2aed8..8804b98 100644
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -1373,6 +1373,13 @@
          break;
       }
 
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_INTEGER_FUNCTIONS_2_FEATURES_INTEL: {
+         VkPhysicalDeviceShaderIntegerFunctions2FeaturesINTEL *features =
+            (VkPhysicalDeviceShaderIntegerFunctions2FeaturesINTEL *)ext;
+         features->shaderIntegerFunctions2 = true;
+         break;
+      }
+
       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_SUBGROUP_EXTENDED_TYPES_FEATURES_KHR: {
          VkPhysicalDeviceShaderSubgroupExtendedTypesFeaturesKHR *features =
             (VkPhysicalDeviceShaderSubgroupExtendedTypesFeaturesKHR *)ext;