pwm: add lpc32xx PWM support

Add lpc32xx SOC PWM driver.

Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Acked-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index 0b2800f..94e176e 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -28,6 +28,16 @@
 	  To compile this driver as a module, choose M here: the module
 	  will be called pwm-imx.
 
+config PWM_LPC32XX
+	tristate "LPC32XX PWM support"
+	depends on ARCH_LPC32XX
+	help
+	  Generic PWM framework driver for LPC32XX. The LPC32XX SOC has two
+	  PWM controllers.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called pwm-lpc32xx.
+
 config PWM_MXS
 	tristate "Freescale MXS PWM support"
 	depends on ARCH_MXS && OF