vc4: Make the load/store utile functions static.

They don't have any other callers outside of this file, and I'm hoping
they get inlined soon.
diff --git a/src/gallium/drivers/vc4/vc4_tiling.c b/src/gallium/drivers/vc4/vc4_tiling.c
index 390ebe5..81d9ec4 100644
--- a/src/gallium/drivers/vc4/vc4_tiling.c
+++ b/src/gallium/drivers/vc4/vc4_tiling.c
@@ -114,7 +114,7 @@
                 height <= 4 * vc4_utile_height(cpp));
 }
 
-void
+static void
 vc4_load_utile(void *dst, void *src, uint32_t dst_stride, uint32_t cpp)
 {
         uint32_t src_stride = vc4_utile_stride(cpp);
@@ -125,7 +125,7 @@
         }
 }
 
-void
+static void
 vc4_store_utile(void *dst, void *src, uint32_t src_stride, uint32_t cpp)
 {
         uint32_t dst_stride = vc4_utile_stride(cpp);
diff --git a/src/gallium/drivers/vc4/vc4_tiling.h b/src/gallium/drivers/vc4/vc4_tiling.h
index b90bba7..7c98c02 100644
--- a/src/gallium/drivers/vc4/vc4_tiling.h
+++ b/src/gallium/drivers/vc4/vc4_tiling.h
@@ -27,8 +27,6 @@
 uint32_t vc4_utile_width(int cpp) ATTRIBUTE_CONST;
 uint32_t vc4_utile_height(int cpp) ATTRIBUTE_CONST;
 bool vc4_size_is_lt(uint32_t width, uint32_t height, int cpp) ATTRIBUTE_CONST;
-void vc4_load_utile(void *dst, void *src, uint32_t dst_stride, uint32_t cpp);
-void vc4_store_utile(void *dst, void *src, uint32_t src_stride, uint32_t cpp);
 void vc4_load_tiled_image(void *dst, uint32_t dst_stride,
                           void *src, uint32_t src_stride,
                           uint8_t tiling_format, int cpp,