For backward compatibility for ravelin target, add
qcom,force-low-pwm-size property to limit setting PWM sizes to
6 and 9 bit modes only, rather than using the full 8 to 15 bit
PWM sizes range.
Change-Id: I3fdf12f49cec92cfb02ef994b6abbebbd29cc8e9
Signed-off-by: Shilpa Suresh <quic_c_sbsure@quicinc.com>