wlcore/wl12xx: implement chip-specific register tables

Add register tables support in wlcore, add some new IO functions to
read and write to chip-specific register and data addresses.  Move
some common register values from wl12xx to wlcore and add the
registers table to wl12xx.

Signed-off-by: Luciano Coelho <coelho@ti.com>
20 files changed