spi: Fix Tegra QSPI example

spi: Fix Tegra QSPI example

BugLink: https://bugs.launchpad.net/bugs/1969110
commit 320689a1b543ca1396b3ed43bb18045e4a7ffd79 upstream.

When running dt_binding_check on the nvidia,tegra210-quad.yaml binding
document the following error is reported ...

 nvidia,tegra210-quad.example.dt.yaml:0:0: /example-0/spi@70410000/flash@0:
 	failed to match any schema with compatible: ['spi-nor']

Update the example in the binding document to fix the above error.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Fixes: 9684752e5fe3 ("dt-bindings: spi: Add Tegra Quad SPI device tree  binding")
Link: https://lore.kernel.org/r/20220307113529.315685-1-jonathanh@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 8c1c3c00dceb9d78bba6658658d109cc0c1d5b32)
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>