tegra194-hte.rst: fix reference to its binding

The binding directory for hte was renamed. Update references accordingly.

Fixes: af583852d2ef ("dt-bindings: Renamed hte directory to timestamp")
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>
Reviewed-by: Dipen Patel <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jonathan Corbet <[e-mail]>

Documentation/driver-api/hte/tegra194-hte.rst

···
 
 This GTE instance timestamps LIC IRQ lines in real time. There are 352 IRQ
 lines which this instance can add timestamps to in real time. The hte
-devicetree binding described at ``Documentation/devicetree/bindings/hte/``
+devicetree binding described at ``Documentation/devicetree/bindings/timestamp``
 provides an example of how a consumer can request an IRQ line. Since it is a
 one-to-one mapping with IRQ GTE provider, consumers can simply specify the IRQ
 number that they are interested in. There is no userspace consumer support for