drivers: can: stm32: Fix bit timing conversion
drivers: can: stm32: Fix bit timing conversion

Fix CAN TS1, TS2 and SJW bit timing conversion to properly
handle upper limits.

Signed-off-by: Ivo Clarysse <cf37f587706e192c1741adbf805403a5d73ea074@bcdevices.com>

nashif/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,nashif/zephyr,Vudentz/zephyr,Vudentz/zephyr,finikorg/zephyr,Vudentz/zephyr,nashif/zephyr,Vudentz/zephyr,galak/zephyr,nashif/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,nashif/zephyr,Vudentz/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,Vudentz/zephyr,finikorg/zephyr,galak/zephyr