wspoon: Remove max tach feedback for base speed

When the fans are at full speed (10500 RPMs), using the max tach
feedback as the base request speed when calculating a new target speed
may cause the fans to not decrease speed in a reasonable amount of time.

Change-Id: I1fdd51cb4c101dc1fff2b2c8e665e378ad0a0e61
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
1 file changed