dts: r64: add r64 dts

add a separate DTS for BananaPi R64 because it has 1GB RAM and SATA-Support

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 7e29b90..b2b5360 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -962,6 +962,7 @@
 dtb-$(CONFIG_ARCH_MEDIATEK) += \
 	mt7622-rfb.dtb \
 	mt7623a-unielec-u7623-02-emmc.dtb \
+	mt7622-bpi-r64.dtb \
 	mt7623n-bananapi-bpi-r2.dtb \
 	mt7629-rfb.dtb \
 	mt8512-bm1-emmc.dtb \