SPI: Use driver overrides for spidev for Lumentum OCM

This new patch series [1] is much better than my patch [2][3]. Kudos to
Trent Piepho for implementing this nicely.

[1] https://patchwork.kernel.org/project/spi-devel-general/list/?series=21295
[2] https://patchwork.kernel.org/patch/10558889/
[3] https://gerrit.cesnet.cz/c/CzechLight/br2-external/+/931

Change-Id: Ie1794f86695c14123e3776c5a24007fca6277956
diff --git a/board/czechlight/clearfog/overlay/usr/lib/udev/rules.d/40-spi-lumentum-ocm.rules b/board/czechlight/clearfog/overlay/usr/lib/udev/rules.d/40-spi-lumentum-ocm.rules
new file mode 100644
index 0000000..0a6b2f5
--- /dev/null
+++ b/board/czechlight/clearfog/overlay/usr/lib/udev/rules.d/40-spi-lumentum-ocm.rules
@@ -0,0 +1 @@
+ACTION=="add|change", SUBSYSTEM=="spi", ENV{MODALIAS}=="spi:lumentum-ocm", ATTR{driver_override}+="spidev"