leds: leds-pwm: make it depend on PWM and not HAVE_PWM

The correct dependency for the leds-pwm is PWM and not HAVE_PWM
since PWM drivers now have their own subsystem.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index fc680a9..78b354f 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -320,7 +320,7 @@
 config LEDS_PWM
 	tristate "PWM driven LED Support"
 	depends on LEDS_CLASS
-	depends on HAVE_PWM
+	depends on PWM
 	help
 	  This option enables support for pwm driven LEDs