Fix the 'make W=1" issue:

WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/leds/flash/leds-rt4505.o
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240517-md-leds-rt4505-v1-1-2f388ff6b672@quicinc.comSigned-off-by: Lee Jones <lee@kernel.org>