superiotool: Add support for function to dump superio chip data registers

Add new function dump_data() to dump a bank of superio data registers.

Change-Id: I13a58d87c14d319cfcdea1ec1d54c2b110d90f9f
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-on: http://review.coreboot.org/1149
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2 files changed