Introduce a fragment config for the Pixel 3, Pixel 3 XL, Pixel 5. On these devices, U-Boot is chainloaded via fastboot. However, due to additional requirements added by Google, the image header must have a specific value for the text offset. This is solved by setting CONFIG_TEXT_BASE to 0x80080000 in U-Boot. Reviewed-by: Simon Glass <simon.glass@canonical.com> Signed-off-by: David Heidelberg <david@ixit.cz> Reviewed-by: Petr Vorel <petr.vorel@gmail.com> Link: https://patch.msgid.link/20260108-pixel-config-v4-2-76a2212b69a5@ixit.cz Signed-off-by: Casey Connolly <casey.connolly@linaro.org>