Merge branch 'rsvb-compat-strings'

Simon Horman says:

====================
ravb: More compatibility strings

this short series adds generic gen2 and gen3, and soc-specific
compatibility strings for the missing gen2 SoCs.

Key Changes in v2:
* Include "rcar-" in generic bindings
====================

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