Use custom logo for Atmel boards

This patch adds a custom vendor logo for the Atmel AT91 boards.

Signed-off-by: Stelian Pop <stelian@popies.net>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

tools/Makefile

@@ -44,6 +44,10 @@ LOGO_H	= $(OBJTREE)/include/bmp_logo.h
 ifeq ($(LOGO_BMP),)
 LOGO_BMP= logos/denx.bmp
 endif
+ifeq ($(VENDOR),atmel)
+LOGO_BMP= logos/atmel.bmp
+endif
+
 
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