spi/bcm63xx: allow for probing through devicetree

Add required binding support to probe through device tree.

Use the compatible instead of the resource size for identifiying the
block type, and allow reducing the number of cs lines through OF.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jonas Gorski 2017-02-21 11:58:22 +01:00 • committed by Mark Brown
commit c29f08890a