logos: add Freescale logo

Add the Freescale logo and update the Makefile to build it when building
a Freescale board.
Signed-off-by: NTimur Tabi <timur@freescale.com>

tools/Makefile

@@ -116,6 +116,9 @@ endif
 ifeq ($(VENDOR),esd)
 LOGO_BMP= logos/esd.bmp
 endif
+ifeq ($(VENDOR),freescale)
+LOGO_BMP= logos/freescale.bmp
+endif
 ifeq ($(VENDOR),ronetix)
 LOGO_BMP= logos/ronetix.bmp
 endif