vulkan: Set specialization constants to { 0 } for out_prod

This fixes the vkDeviceLostError on Mali

Author: makaveli10

ggml/src/ggml-vulkan/ggml-vulkan.cpp

@@ -3423,12 +3423,12 @@ static void ggml_vk_load_shaders(vk_device& device) {
     }
 
     // TODO: should we have device->subgroup_size here or 0?
-    ggml_vk_create_pipeline(device, device->pipeline_out_prod_f32, "out_prod_f32", out_prod_f32_len, out_prod_f32_data, "main", 3, sizeof(vk_op_binary_push_constants), {512, 1, 1}, { device->subgroup_size }, 1);
-    ggml_vk_create_pipeline(device, device->pipeline_out_prod_q4_0, "out_prod_q4_0", out_prod_q4_0_len, out_prod_q4_0_data, "main", 3, sizeof(vk_op_binary_push_constants), {512, 1, 1}, { device->subgroup_size }, 1);
-    ggml_vk_create_pipeline(device, device->pipeline_out_prod_q8_0, "out_prod_q8_0", out_prod_q8_0_len, out_prod_q8_0_data, "main", 3, sizeof(vk_op_binary_push_constants), {512, 1, 1}, { device->subgroup_size }, 1);
+    ggml_vk_create_pipeline(device, device->pipeline_out_prod_f32, "out_prod_f32", out_prod_f32_len, out_prod_f32_data, "main", 3, sizeof(vk_op_binary_push_constants), {512, 1, 1}, { 0 }, 1);
+    ggml_vk_create_pipeline(device, device->pipeline_out_prod_q4_0, "out_prod_q4_0", out_prod_q4_0_len, out_prod_q4_0_data, "main", 3, sizeof(vk_op_binary_push_constants), {512, 1, 1}, { 0 }, 1);
+    ggml_vk_create_pipeline(device, device->pipeline_out_prod_q8_0, "out_prod_q8_0", out_prod_q8_0_len, out_prod_q8_0_data, "main", 3, sizeof(vk_op_binary_push_constants), {512, 1, 1}, { 0 }, 1);
 
     // TODO: should we have device->subgroup_size here or 0?
-    ggml_vk_create_pipeline(device, device->pipeline_out_prod_f16_f32, "out_prod_f16_f32", out_prod_f16_f32_len, out_prod_f16_f32_data, "main", 3, sizeof(vk_op_binary_push_constants), {512, 1, 1}, { device->subgroup_size }, 1);
+    ggml_vk_create_pipeline(device, device->pipeline_out_prod_f16_f32, "out_prod_f16_f32", out_prod_f16_f32_len, out_prod_f16_f32_data, "main", 3, sizeof(vk_op_binary_push_constants), {512, 1, 1}, { 0 }, 1);
 
     // TODO: should we have device->subgroup_size here or 0?
     ggml_vk_create_pipeline(device, device->pipeline_out_prod_f16_f32, "out_prod_f16_f32", out_prod_f16_f32_len, out_prod_f16_f32_data, "main", 3, sizeof(vk_op_binary_push_constants), {512, 1, 1}, { device->subgroup_size }, 1);