mainboard/intel/galileo: Add board_info.txt

Add missing file to fix complaints by git commit script.

TEST=None

Change-Id: I4aac63821a7208fb86fa6c0dda16b7537e49a69a
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/13610
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/mainboard/intel/galileo/board_info.txt

@@ -0,0 +1,4 @@
+Category: sbc
+ROM protocol: SPI
+Flashrom support: y
+Release year: 2014