sunxi: change ATF position for H6

H6 has different SRAM A2 address, so the ATF load address is also
different.

Add judgment code to sunxi 64-bit FIT generation script. It will judge
the SoC by the device tree's name.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com>

board/sunxi/mksunxi_fit_atf.sh

@@ -13,6 +13,12 @@ if [ ! -f $BL31 ]; then
 	BL31=/dev/null
 fi
 
+if grep -q "^CONFIG_MACH_SUN50I_H6=y" .config; then
+	BL31_ADDR=0x104000
+else
+	BL31_ADDR=0x44000
+fi
+
 cat << __HEADER_EOF
 /dts-v1/;
 
@@ -35,8 +41,8 @@ cat << __HEADER_EOF
 			type = "firmware";
 			arch = "arm64";
 			compression = "none";
-			load = <0x44000>;
-			entry = <0x44000>;
+			load = <$BL31_ADDR>;
+			entry = <$BL31_ADDR>;
 		};
 __HEADER_EOF