control:actions: Replace `speed` with `target`

Per design, references to "speed" imply the use of RPM which is not
correct when it comes to setting a fan's target which, for example,
could be in PWM. This replaces some missed references to `speed` to
`target`.

Change-Id: Ic534edf06556d7a2035d44b0f1acdc36ba56df25
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
3 files changed