ARM: dts: add PM8058 LEDs to the APQ8060 Dragonboard

This adds the PM8058 LEDs as used in the platform.

Cc: linux-arm-msm@vger.kernel.org
Cc: linux-leds@vger.kernel.org
Cc: Andy Gross <andy.gross@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Jacek Anaszewski <j.anaszewski@samsung.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>