linux-mainline 3.8: PRU rproc PWM support

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
linux-mainline 3.8: add PWM DT info

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
linux-mainline 3.8: additional bacon cape support

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>