at91: add support for the PM9263 board of Ronetix GmbH

The PM9263 board is based on the AT91SAM9263-EK board.

Here is the page on Ronetix website:
http://www.ronetix.at/starter_kit_9263.html

Signed-off-by: Ilko Iliev <iliev@ronetix.at>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/tools/Makefile b/tools/Makefile
index 70d87b0..43c284c 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -122,6 +122,9 @@
 ifeq ($(VENDOR),atmel)
 LOGO_BMP= logos/atmel.bmp
 endif
+ifeq ($(VENDOR),ronetix)
+LOGO_BMP= logos/ronetix.bmp
+endif
 
 # now $(obj) is defined
 SRCS	+= $(addprefix $(SRCTREE)/,$(EXT_OBJ_FILES-y:.o=.c))