librem5_defconfig: enable hantro media staging driver

4 jobs for hantro in 85 minutes and 44 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #331325
librem5
build:aarch64

00:20:58

passed #333796
librem5:arm64
build:deb

01:04:46

passed #333795
librem5:arm64
build:deb

01:04:13

failed #331326
librem5:arm64
build:deb

02:08:24