[tvla] TVLA support for general tests
[tvla] TVLA support for general tests

Added support for general fixed-vs-random TVLA.

Signed-off-by: vrozic <832b313c5899de2d6dfc6d8ca4088ea9488a1be3@lowrisc.org>

lowRISC/ot-sca,lowRISC/ot-sca