[PATCH] pinctrl: sunxi: Fix A64 UART mux value

On Sat, Nov 25, 2017 at 8:12 PM, Andre Przywara [off-list ref] wrote:

To use pin PF4 as the RX signal of UART0, we have to write 0b011 into
the respective pin controller register.
Fix the wrong value we had in our table so far.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>

Fixes: 96851d391d02 ("drivers: pinctrl: add driver for Allwinner A64 SoC")
Acked-by: Chen-Yu Tsai <redacted>