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2013-07-24Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
2012-07-07lib: add rand() functionMichael Walle
It's a PRNG using the simple and fast xorshift method. Signed-off-by: Michael Walle <michael@walle.cc> Cc: Wolfgang Denk <wd@denx.de>