Use speed request base in inc/dec speed changes

For increase and decrease speed changes, the new target speed is
calculated from either a set speed request base value or the current
target speed by default.

Change-Id: Iad1411437a9945af0b9ae85649d487e36586ef2a
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
2 files changed