Variable "hw_pre_value" is not used anywhere in the
function intel_scu_set_heartbeat().
This patch removes this variable.
Signed-off-by: NAlexander Shiyan <shc_work@mail.ru>
Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>