Added machine config for Nanopi-M4

Signed-off-by: nishantpoorswani <nishantpoorswani@gmail.com>

conf/machine/nanopi-m4.conf

@@ -0,0 +1,30 @@
+#@TYPE: Machine
+#@NAME: NanoPi-M4
+#@DESCRIPTION: FriendlyARM NanoPi-M4 board based on RK3399
+SOC_FAMILY = "rk3399"
+
+require conf/machine/include/tune-cortexa72.inc
+require conf/machine/include/soc-family.inc
+
+MACHINEOVERRIDES =. "mali-gpu:mali-midgard:"
+
+PREFERRED_PROVIDER_virtual/bootloader ?= "u-boot-nanopi-m4"
+UBOOT_MACHINE = "nanopi-m4-rk3399_defconfig"
+
+PREFERRED_PROVIDER_virtual/kernel = "linux-nanopim4"
+
+SERIAL_CONSOLES = "1500000;ttyS2"
+KERNEL_IMAGETYPE = "Image" 
+KBUILD_DEFCONFIG = "nanopim4_working_defconfig" 
+KERNEL_DEVICETREE = "rockchip/rk3399-nanopi4-rev01.dtb"
+
+MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS += "\
+    kernel-modules \
+    firmware-nanopi-m4 \
+"
+
+IMAGE_FSTYPES_append = " ext4.gz ext4"
+UBI_VOLNAME = "rootfs"
+
+IMAGE_FSTYPES += "nanopim4-gpt-img"
+IMAGE_CLASSES += "nanopim4-gpt-img"