[PATCH v2] imx: imx8qm_rom7720_a1: update README

[Oliver Graute]

Update README to extract firmware from scripts

Signed-off-by: Oliver Graute <oliver.graute at kococonnector.com>
---
 board/advantech/imx8qm_rom7720_a1/README | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/board/advantech/imx8qm_rom7720_a1/README b/board/advantech/imx8qm_rom7720_a1/README
index bff5712589..d3e3cec063 100644
--- a/board/advantech/imx8qm_rom7720_a1/README
+++ b/board/advantech/imx8qm_rom7720_a1/README
@@ -29,6 +29,17 @@ $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.0.bin
 $ chmod +x firmware-imx-8.0.bin
 $ ./firmware-imx-8.0.bin
 
+Or use this to avoid running random scripts from the internet,
+but note that you must agree to the license the script displays:
+
+$ dd if=imx-sc-firmware-1.1.bin of=imx-sc-firmware-1.1.tar.bz2 bs=37185 skip=1
+$ tar -xf imx-sc-firmware-1.1.tar.bz2
+$ cp imx-sc-firmware-1.1/mx8qm-val-scfw-tcm.bin $(builddir)
+
+$ dd if=firmware-imx-8.0.bin of=firmware-imx-8.0.tar.bz2 bs=37180 skip=1
+$ tar -xf firmware-imx-8.0.tar.bz2
+$ cp firmware-imx-8.0/firmware/seco/mx8qm-ahab-container.img $(builddir)
+
 Build U-Boot
 ============
 
-- 
2.17.1