x86: edison: BINMAN selection is specific to the board

The platforms based on Intel Tangier may have different requirements
how to create bootloader bundle to supply to a device. Currently
the BINMAN approach is for Intel Edison only.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/board/intel/edison/Kconfig b/board/intel/edison/Kconfig
index 05d6544..23b2af4 100644
--- a/board/intel/edison/Kconfig
+++ b/board/intel/edison/Kconfig
@@ -31,5 +31,6 @@
 	select INTEL_TANGIER
 	select BOARD_LATE_INIT
 	select MD5
+	imply BINMAN
 
 endif