Merge branch 'fix-uart4' into 'librem5'

imx8mq_pins: fix configuration for UART4 on ECSPI2 pads

See merge request !38
2 jobs for librem5 in 2 minutes and 16 seconds (queued for 3 minutes and 7 seconds)
Status Job ID Name Coverage
  Build
passed #319347
librem5
build:cross:debian-buster

00:02:16

passed #307423
librem5
build:cross:debian-buster

00:03:26