lib: at91: Add logo files used via API of DM_VIDEO

In order to display the company's logo via the API of DM_VIDEO,
and add the logo files of both Atmel and Microchip.

Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/lib/at91/Makefile b/lib/at91/Makefile
new file mode 100644
index 0000000..5a18875
--- /dev/null
+++ b/lib/at91/Makefile
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2017 Microchip
+# Wenyou.Yang <wenyou.yang@microchip.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-$(CONFIG_ARCH_AT91) += at91.o