ARM: dts: Fix wl12xx missing clocks that cause hangs

ARM: dts: Fix wl12xx missing clocks that cause hangs

commit 0ea24daae053a9ba65d2f3eb20523002c1a8af38 upstream.

The tcxo-clock-frequency binding is listed as optional,
but without it the wl12xx used on the torpedo + wireless
may hang.  Scanning also appears broken without this patch.

Signed-off-by: Adam Ford <aford173@gmail.com>
Fixes: 687c27676151 ("ARM: dts: Add minimal support for LogicPD
Torpedo DM3730 devkit")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>