util/blob: Add overwrite function for uint8

Overwrite function for this type  was missing and I needed it for my project.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Mark Menzynski <mmenzyns@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3903>

src/util/blob.c

@@ -214,6 +214,15 @@ BLOB_WRITE_TYPE(blob_write_intptr, intptr_t)
 #define ASSERT_ALIGNED(_offset, _align) \
    assert(ALIGN((_offset), (_align)) == (_offset))
 
+bool
+blob_overwrite_uint8 (struct blob *blob,
+                      size_t offset,
+                      uint8_t value)
+{
+   ASSERT_ALIGNED(offset, sizeof(value));
+   return blob_overwrite_bytes(blob, offset, &value, sizeof(value));
+}
+
 bool
 blob_overwrite_uint32 (struct blob *blob,
                        size_t offset,