power: Fix device label alignment

Should be left-aligned, previously it was centered
11 jobs for power-device-label-align in 4 minutes and 31 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #151714
build

00:02:41

 
  Test
passed #151716
asan

00:01:48

passed #151715
test

00:01:40

 
  Manual
manual #151721
allowed to fail manual
armv8
manual #151717
allowed to fail manual
flatpak
manual #151720
allowed to fail manual
msan
manual #151722
allowed to fail manual
ppc64le
manual #151718
allowed to fail manual
tsan
manual #151719
allowed to fail manual
ubsan
 
  Review
manual #151723
allowed to fail manual
review
manual #151724
allowed to fail manual
stop_review