mb/lenovo/t410/board_info: Add release year field

Change-Id: I24b92977ab1259159d2d21dfb355ea5d53bfb141
Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36204
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/lenovo/t410/board_info.txt

@@ -3,3 +3,4 @@ ROM package: SOIC-8 / WSON-8
 ROM protocol: SPI
 ROM socketed: n
 Flashrom support: n
+Release year: 2010