[U-Boot] hash.c: Conditionally compile hash_command, static hash_show

[Tom Rini]

On Tue, Jan 05, 2016 at 08:50:01AM -0500, Tom Rini wrote:

> The function hash_show is now only called by hash_command, so mark it as
> static (and drop from hash.h).  We only call hash_command when any of
> CONFIG_CMD_CRC32, CONFIG_CMD_SHA1SUM or CONFIG_CMD_HASH are set.  Since
> hash.c is linked in unconditionally we must take extra care with
> functions that bring in read-only strings as these will not be
> discarded.
> 
> Signed-off-by: Tom Rini <trini at konsulko.com>

Applied to u-boot/master, thanks!

-- 
Tom
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