src/device/dram/ddr2: Fix supported burst lengths

Supported burst lengths are described at byte 16

Change-Id: I502710bdac7eec715b29febefd64be88e5a1b80a
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/25098
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
1 file changed