Add axi clock since the driver change to DMA mode which need
to enable axi clock in dtsi and dt-binding example for mt8173.
And change spi clock to 26MHz as default.

Changes from v2:
- remove assigned clocks and parents in binding file

Changes from v1:
- Modify nor binding file

Xiangsheng Hou (2):
  arm64: dts: mt8173: Fix nor_flash node
  dt-bindings: mediatek: Add axi clock in mt8173 dts example

 .../devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml      | 4 ++--
 arch/arm64/boot/dts/mediatek/mt8173.dtsi                   | 7 +++++--
 2 files changed, 7 insertions(+), 4 deletions(-)

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2.25.1