Add update ISO for the Librem 14
Added stable ISO from build: https://source.puri.sm/Purism/librem14_ec_flash/-/jobs/372212
It used: ec-2021-08-03_05d9990.rom to build the ISO.
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Added stable ISO from build: https://source.puri.sm/Purism/librem14_ec_flash/-/jobs/372212
It used: ec-2021-08-03_05d9990.rom to build the ISO.