[sim_sram] Pass ExplicitErrs to a tlul_socket_1n module
[sim_sram] Pass ExplicitErrs to a tlul_socket_1n module

No functional change: before, we were generating an error responder
that triggered if dev_select_i was greater than 2, but constructing
that signal by zero-extending a 1-bit signal. Now, we don't generate
the error responder at all.

Signed-off-by: Rupert Swarbrick <290093e2ad2515ed2f14d749293c8cf8e02ca274@lowrisc.org>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan