leds: leds-qpnp: Remove improper casting

Led values for PWM mode are integers, not u8.  Read
in from device tree correctly to not lose any values.

CRs-fixed: 474766
Change-Id: Ibc0850375107c00b64e096e34f87713b863a2ca7
Signed-off-by: Amy Maloche <amaloche@codeaurora.org>
1 file changed