backlight: ipaq-micro-backlight: Use backlight power constants

Replace FB_BLANK_ constants with their counterparts from the
backlight subsystem. The values are identical, so there's no
change in functionality.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240624152033.25016-7-tzimmermann@suse.deSigned-off-by: Lee Jones <lee@kernel.org>

drivers/video/backlight/ipaq_micro_bl.c

@@ -7,7 +7,6 @@
 
 #include <linux/backlight.h>
 #include <linux/err.h>
-#include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/mfd/ipaq-micro.h>
 #include <linux/module.h>
@@ -42,7 +41,7 @@ static const struct backlight_ops micro_bl_ops = {
 static const struct backlight_properties micro_bl_props = {
 	.type = BACKLIGHT_RAW,
 	.max_brightness = 255,
-	.power = FB_BLANK_UNBLANK,
+	.power = BACKLIGHT_POWER_ON,
 	.brightness = 64,
 };