docs: ABI: sysfs-class-pwm: Update Lee Jones' email address

Going forward, I'll be using my kernel.org for upstream work.

Cc: Greg Kroah-Hartman <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: lag-linaro

Documentation/ABI/testing/sysfs-class-pwm

@@ -81,7 +81,7 @@ Description:
 What:		/sys/class/pwm/pwmchip<N>/pwmX/capture
 Date:		June 2016
 KernelVersion:	4.8
-Contact:	Lee Jones <lee.jones@linaro.org>
+Contact:	Lee Jones <lee@kernel.org>
 Description:
 		Capture information about a PWM signal. The output format is a
 		pair unsigned integers (period and duty cycle), separated by a