misc: Add ab8500 pwm driver

This patch adds a Pulse Width Modulation driver for Analog Baseband
Chip AB8500.

Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 47af4cd..98009cc 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -41,3 +41,4 @@
 obj-$(CONFIG_ARM_CHARLCD)	+= arm-charlcd.o
 obj-$(CONFIG_PCH_PHUB)		+= pch_phub.o
 obj-y				+= ti-st/
+obj-$(CONFIG_AB8500_PWM)	+= ab8500-pwm.o