base-files: Increase tmpfs maximum size for /var/db/temp

:Release Notes:
Increase the maximum tmpfs size of /var/db/temp from 32M to 80M.

:Detailed Notes:
32M is not enough to store all the data from some services, but 80MB
should be.

:Testing Performed:
miniBAT

:QA Notes:

:Issues Addressed:
[GF-52701] DB8 tempdb tmpfs maximum size is too small
[GF-53836] CCC: base-files=webos9 leveldb=1.14.0

Open-webOS-DCO-1.0-Signed-off-by: Maksym Sditanov <maxim.sditanov@lge.com>
Change-Id: I54e291c111d29fdcbefa24d787176d12d7225556
Reviewed-on: https://g2g.palm.com/4057
Reviewed-by: DCO Verification
Build: Herb Kuta <herb.kuta@lge.com>
Reviewed-by: Herb Kuta <herb.kuta@lge.com>
Tested-by: Herb Kuta <herb.kuta@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>