staging: mt7621-dts: fix pinctrl-0 items to be size-1 items on ethernet

stable inclusion
from stable-v5.10.110
commit d3f786b7cf81284e5c13dabaf94bab2d0602a8af
bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d3f786b7cf81284e5c13dabaf94bab2d0602a8af



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commit 25e4f522 upstream.

Fix pinctrl-0 items under the ethernet node to be size-1 items.
Current notation would be used on specifications with non-zero cells.

Fixes: 0a93c0d7 ("staging: mt7621-dts: fix pinctrl properties for ethernet")
Reported-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20220215081725.3463-1-arinc.unal@arinc9.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Yu Liao <liaoyu15@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>