arm64: dts: allwinner: pine-h64: Fix typos in BT GPIOs

The commit 53441b8e ("arm64: dts: allwinner: h6: PineH64 model B:
Add bluetooth") introduced the Bluetooth chip for the PineH64 model B,
but the GPIOs property didn't conform to the binding of the bluetooth
chip. Let's fix this.

Fixes: 53441b8e ("arm64: dts: allwinner: h6: PineH64 model B: Add bluetooth")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://lore.kernel.org/r/20210114113538.1233933-19-maxime@cerno.tech