4.4.1

What's Changed

• fix bug with chdrv_int_callback not parsing the continuous bit of last meas
• [README] Update readme to match the last changes in cmake build
• Add BSP API for RTOS
• update icu_gpt plugin to 2.2.1+1.7.2 to fix 8th threshold bug in rangefinder
• Integrate fix on icu_gpt_set_thresholds()
• Fix comment of chbsp_i2c_mem_write() and chbsp_i2c_mem_write_nb()
• Support double buffer readout mode
• Fix Log internal buffer not handling rollover