diag: Update last SSID for general category

DIAG SSID ranges are updated on modem side. Hence same
update is needed on application processor side. This
change updates the same.

We plan to implenent an algorithm which will remove the
need for manual updates.

Change-Id: I573b75fe0b88bad6f0b2fd5d1b12eb4530067912
Signed-off-by: Shalabh Jain <shalabhj@codeaurora.org>