Honor timeout in lib/rsh.exp:rsh_exec

[Maxim Kuvyrkov]

Hi,

This patch fixes an issue that rsh_exec does bails on tests in just 10sec, even 
when board specifies a longer timeout.  The problem is that 
lib/rsh.exp:rsh_exec (which is called via remote.exp:remote_exec) reads its 
timeout from global timeout variable, and remote_exec is operating on a local 
variable.

--
Maxim Kuvyrkov
www.linaro.org

0001-Set-global-timeout-in-lib-remote.exp-for-lib-rsh.exp.patch
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