s5k3l6xx: Use all 3 regulators

3 jobs for regs in 108 minutes and 9 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #364934
librem5
build:aarch64

00:40:14

passed #364950
librem5:arm64
build:deb

01:07:55

failed #364935
librem5:arm64
build:deb