vulkan: add LOG operation support for F32 and F16 (#17183)

* vulkan: add LOG operation support for F32 and F16

Part of #14909.

* vulkan: Fix LOG operation types

* docs: Update operation support documentation for Vulkan LOG operation

* vulkan: fix log_f16 shader

* docs: restore missing LOG test cases and regenerate ops.md

ggml/src/ggml-vulkan/vulkan-shaders/log.comp

@@ -0,0 +1,17 @@
+#version 450
+
+#include "types.glsl"
+#include "generic_unary_head.glsl"
+
+layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;
+
+void main() {
+    const uint idx = get_idx();
+
+    if (idx >= p.ne) {
+        return;
+    }
+
+    const FLOAT_TYPE val = FLOAT_TYPE(data_a[get_aoffset() + src0_idx(idx)]);
+    data_d[get_doffset() + dst_idx(idx)] = D_TYPE(log(val));
+}