Subject: [PATCH] [general] Fixed constant strings in data section issue ...

For practical reasons I changed all string literals assumed to be constant
to reside in .rodata subsection at end of .text section.

Signed-off-by: Carsten Schlote <schlote@vahanus.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

various small typos fixed

timeout command: Use do {} while; insteal of while {}; to allow interrupt ...

with timeout = 0.

remove u-boot command paramter flag

add timeout command