mkimage: Add OMAP boot image support

- Add mkimage support for OMAP boot image
- Add support for OMAP boot image(MLO) generation in the new
  SPL framework

Signed-off-by: John Rigby <john.rigby@linaro.org>
Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/spl/Makefile b/spl/Makefile
index 0204f97..87f13f6 100644
--- a/spl/Makefile
+++ b/spl/Makefile
@@ -85,6 +85,12 @@
 	$(shell $(LD) --version | \
 	  sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 
+ifdef CONFIG_OMAP
+$(OBJTREE)/MLO:	$(obj)u-boot-spl.bin
+	$(OBJTREE)/tools/mkimage -T omapimage \
+		-a $(CONFIG_SPL_TEXT_BASE) -d $< $@
+endif
+
 ALL-y	+= $(obj)u-boot-spl.bin
 
 all:	$(ALL-y)