kerneldoc: remove KDBUS_CMD_EP_POLICY_SET, add KDBUS_CMD_EP_UPDATE
kdbus: Check for bloom parameter in "make bus" command

When handling a KDBUS_CMD_BUS_MAKE command the kernel must make sure
that the message contains a bloom parameter item to avoid a null-
pointer dereference.

Signed-off-by: Ingo van Lil <inguin@gmx.de>
Merge remote-tracking branch 'kdbus/master' into 3.13/kdbus