linux-phytec-fsl

spi: omap2-mcspi: make it behave as a module

move probe away from __init section and use
platform_driver_register() instead of
platform_driver_probe().

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>