Revert "ARC: [arcfpga] stdout-path now suffices for earlycon/console"

This reverts commit 9da433c0.

Vineet writes:

Could you please revert this single patch from tty-next for 3.17 as the
needed core changes are not yet finalized.

Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arc/boot/dts/angel4.dts

@@ -17,8 +17,7 @@
 	interrupt-parent = <&intc>;
 
 	chosen {
-		bootargs = "earlycon";
-		stdout-path = &arcuart0;
+		bootargs = "earlycon=arc_uart,mmio32,0xc0fc1000,115200n8 console=ttyARC0,115200n8";
 	};
 
 	aliases {