[OE-core] [PATCH v2] valgrind: Enable valgrind for armv7

[Khem Raj]

> 
> At some extend yes, the configuration checks the host, the default
> string passed is "arm" but the configure.in checks for:
> 
> case "${host_cpu}" in
> ...
>      armv7*)
> 	AC_MSG_RESULT([ok (${host_cpu})])
> 	ARCH_MAX="arm"
> 

in OE we know that compiler is configured to generate code for armv7
therefore you can safely change armv7* above in configure.in to be arm*

> 
> So if we use the default from autotools it won't work.
> I've seen the arch in some examples on the net, do you prefer -host=armv7?