arm64: dts: librem5: delay the startup of the SDIO

The redpine wifi card takes some time to wake up

Signed-off-by: Angus Ainslie <angus@akkea.ca>
4 jobs for wifi-early in 110 minutes and 24 seconds
Status Name Job ID Coverage
  Build
failed build:aarch64 #329767
librem5 allowed to fail

00:47:14

passed build:deb #327975
librem5:arm64

01:03:10

failed build:aarch64 #328105
librem5 allowed to fail

00:27:52

failed build:aarch64 #327974
librem5 allowed to fail

00:15:23

 
Name Stage Failure
failed
build:aarch64 Build
  CC [M]  drivers/hid/hid-sensor-hub.o
CC [M] drivers/hid/hid-sensor-custom.o
LD [M] drivers/hid/hid-picolcd.o
LD [M] drivers/hid/hid-uclogic.o
LD [M] drivers/hid/wacom.o
AR drivers/hid/built-in.a
LD [M] drivers/hid/hid-wiimote.o
AR drivers/built-in.a
ERROR: Job failed: exit code 1