fixup! net: stmmac: Use platform data tied with compatible strings

fix indentation
fixup! net: stmmac: Honor DT parameter to force DMA store and forward mode

honor force_sf_dma_mode setting in platform data
fixup! net: stmmac: sunxi platfrom extensions for GMAC in Allwinner A20 SoC's

change compatible string
fixup! net: stmmac: sunxi platfrom extensions for GMAC in Allwinner A20 SoC's

use dev_warn and devm_clk_get
fixup! ARM: dts: sun7i: Add GMAC controller node to sun7i DTSI

change compatible string to sun7i-a20-gmac