arm64: dts: librem5: add a regulator for the smart card

Move the power control for the smart card micro to a regulator and add to mxc2.

Signed-off-by: Angus Ainslie <angus@akkea.ca>
2 jobs for smc-power in 62 minutes and 3 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
failed #322891
librem5 allowed to fail
build:aarch64

00:10:40

passed #322892
librem5:arm64
build:deb

01:02:03

 
Name Stage Failure
failed
build:aarch64 Build
  CC [M]  net/mac80211/debugfs_netdev.o
CC [M] net/mac80211/debugfs_key.o
CC [M] net/mac80211/pm.o
CC [M] net/mac80211/rc80211_minstrel.o
CC [M] net/mac80211/rc80211_minstrel_ht.o
CC [M] net/mac80211/rc80211_minstrel_debugfs.o
CC [M] net/mac80211/rc80211_minstrel_ht_debugfs.o
LD [M] net/mac80211/mac80211.o
ERROR: Job failed: exit code 1