Add example command how to compile U-Boot and add new documentation section
describing how to enable early debug UART and verbose log output for N900.
Signed-off-by: Pali Rohár <pali@kernel.org>
Disable UBI fastmap support which is not supported by original Maemo 5
kernel and explicitly set UBI BEB limit to 10%, which is the value used by
original Maemo 5 kernel. U-Boot default value is 20%.
Signed-off-by: Pali Rohár <pali@kernel.org>
