backlight: lms283gf05: Use lcd power constants

Replace FB_BLANK_ constants with their counterparts from the
lcd subsystem. The values are identical, so there's no change
in functionality.

Signed-off-by: Thomas Zimmermann <[e-mail]>
Reviewed-by: Daniel Thompson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Lee Jones <[e-mail]>

drivers/video/backlight/lms283gf05.c

···
 	struct lms283gf05_state *st = lcd_get_data(ld);
 	struct spi_device *spi = st->spi;
 
-	if (power <= FB_BLANK_NORMAL) {
+	if (power <= LCD_POWER_REDUCED) {
 		if (st->reset)
 			lms283gf05_reset(st->reset);
 		lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq));