Merge branch 'mlxsw-next'

Petr Machata says:

====================
mlxsw: Provide enhancements and new feature

Vadim Pasternak writes:

Patch #1 - Optimize transaction size for efficient retrieval of module
           data.
Patch #3 - Enable thermal zone binding with new cooling device.
Patch #4 - Employ standard macros for dividing buffer into the chunks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>