ARM: dts: qcom: add ahb reset to ipq806x-gmac

Add GMAC_AHB_RESET to the resets property of each gmac node.

Signed-off-by: Matthew Hagan <mnhagan88@gmail.com>
Link: https://lore.kernel.org/r/20210605173546.4102455-2-mnhagan88@gmail.com


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>