Add Kconfig.trigger_template to allow an extensive re-use of
trigger configuration inside all sensor drivers.
This template must be included as in the following example:
module = LSM6DSO
thread_priority = 10
thread_stack_size = 1024
source "drivers/sensor/Kconfig.trigger_template"
Signed-off-by: Armando Visconti <armando.visconti@st.com>