apphandler: Master write read - whitelist filter
apphandler: Master write read - whitelist filter

Support added for master write read IPMI command with
whitelist filter support. Allows commands which are
listed in the whitelist filter.

Tested:
1. Verified with filter list and able to execute whitelisted
commands as per the mask
2. verified command throws invalid field in request for non
whitelisted filters.

Change-Id: I8f20808a8a2d9afc10747485a1303492329a6996
Signed-off-by: Richard Marian Thomaiyar <72ed7ca0c1d67ded0b254900bd2112efa735a144@linux.intel.com>

openbmc/phosphor-host-ipmid,openbmc/phosphor-host-ipmid,openbmc/phosphor-host-ipmid