The SB image format specification calls the command identifier
a tag, so align the source this way. Also rename the commands
so they match the SB format specification.

Signed-off-by: Marek Vasut <marex@denx.de>

This will allow GCC to lint the sources even more.

Signed-off-by: Marek Vasut <marex@denx.de>

The type must be unsigned int, otherwise gcc -Wextra produces a warning.

Signed-off-by: Marek Vasut <marex@denx.de>

Markus Hubig authored Jun 05, 2013 and Marek Vasut committed Jun 05, 2013

According to http://webpages.charter.net/ppluzhnikov/linker.html

 , the
order of the libraries linked with the resulting executable on the linker
command line does matter and can cause linker to be unable to resolve
symbols if incorrect.

Signed-off-by: Markus Hubig <mhubig@imko.de>

Add support for i.MX23 u-boot.sb generation.

Signed-off-by: Marek Vasut <marex@denx.de>

Parse command line options so the input files from which u-boot.sb
is generated can be configured at runtime using these options.

Signed-off-by: Marek Vasut <marex@denx.de>

Add missing return value check for sb_load_binary() call.

Signed-off-by: Marek Vasut <marex@denx.de>

Add MX28 u-boot.sb SB image generator.

Tested on DENX M28EVK by generating u-boot.sb and then loading it
via mxsldr.

Signed-off-by: Marek Vasut <marex@denx.de>