validation: system: fix unterminated string
validation: system: fix unterminated string

Calling strncpy with a maximum size argument of 128 bytes on destination
array "version_string" of size 128 bytes might leave the destination
string unterminated.

Fixes https://bugs.linaro.org/show_bug.cgi?id=1207

Signed-off-by: Mike Holmes <ed44c09f4d7f698f5510adc894a872c73e08c8bd@linaro.org>
Reviewed-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>
Signed-off-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>

nmorey/odp,nmorey/odp,kalray/odp-mppa,mike-holmes-linaro/odp,mike-holmes-linaro/odp,ravineet-singh/odp,kalray/odp-mppa,rsalveti/odp,dkrot/odp,dkrot/odp,ravineet-singh/odp,nmorey/odp,dkrot/odp,kalray/odp-mppa,rsalveti/odp,dkrot/odp,mike-holmes-linaro/odp,kalray/odp-mppa,mike-holmes-linaro/odp,rsalveti/odp,rsalveti/odp,erachmi/odp,ravineet-singh/odp,rsalveti/odp,erachmi/odp,kalray/odp-mppa,erachmi/odp,erachmi/odp,ravineet-singh/odp,nmorey/odp,kalray/odp-mppa,kalray/odp-mppa