dt-bindings: counter: Adjust dt-bindings for STM32 lptimer move

The STM32 LP Timer counter driver now resides under the Counter
subsystem. This patch adjusts dt-bindings to account for the STM32
lptimer driver move.

Cc: Mark Rutland <[e-mail]>
Signed-off-by: Fabrice Gasnier <[e-mail]>
Acked-by: Rob Herring <[e-mail]>
Signed-off-by: William Breathitt Gray <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

Documentation/devicetree/bindings/mfd/stm32-lptimer.txt

···
 
 Optional subnodes:
 - pwm:			See ../pwm/pwm-stm32-lp.txt
-- counter:		See ../iio/timer/stm32-lptimer-cnt.txt
+- counter:		See ../counter/stm32-lptimer-cnt.txt
 - trigger:		See ../iio/timer/stm32-lptimer-trigger.txt
 
 Example: