ACPI: ibm-acpi: store embedded controller firmware version for matching

This patch changes the ThinkPad Embedded Controller DMI matching
code to store the firmware version of the EC for later usage, e.g.
for quirks.

It also prints the firmware version when starting up.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
1 file changed