Let's use platform data quirk support for board-generic.c.
This removes all board specific hacks out of board-generic.c.
Signed-off-by: NTony Lindgren <tony@atomide.com>

We want to drop the board-*.c files but keep things working.
Let's make it a bit easier to support legacy platform data
init with quirks. This also keeps board-generic.c clean from
board specific hacks.

For now, the quirks table is empty, that is populated
in the later patches.
Signed-off-by: NTony Lindgren <tony@atomide.com>