sunxi: non-FEL SPL boot support for sun7i

Add support for booting from an MMC card.

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Henrik Nordström <henrik@henriknordstrom.net>
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Reviewed-by: Marek Vasut <marex@denx.de>
Cc: Tom Cubie <Mr.hipboi@gmail.com>
Reviewed-by: Tom Rini <trini@ti.com>
diff --git a/tools/Makefile b/tools/Makefile
index 6e43a01..b645224 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -131,6 +131,8 @@
 hostprogs-$(CONFIG_MX28) += mxsboot$(SFX)
 HOSTCFLAGS_mxsboot$(SFX).o := -pedantic
 
+hostprogs-$(CONFIG_SUNXI) += mksunxiboot$(SFX)
+
 hostprogs-$(CONFIG_NETCONSOLE) += ncb$(SFX)
 hostprogs-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1$(SFX)