lsm6dsox examples: Add read_data_drdy example
lsm6dsox examples: Add read_data_drdy example

Add an example of how to read data using drdy irq routed
on INT2.

Signed-off-by: Armando Visconti <d93ca24ded08d03c3aa60af6d2fd0eb7ce54da11@st.com>

STMicroelectronics/STMems_Standard_C_drivers