meta-inspur: nf5280m7 Add new machine layer

the Inspur NF5280M7 is an x86 platform server with an AST2600-based BMC.

Tested: Built nf5280m7 and verified the image-bmc is generated.

Change-Id: Iab86a8682d1fc8f3320590e63613a22a14571fcd
Signed-off-by: Xiaoyu Ma <maxiaoyu@inspur.com>
diff --git a/meta-inspur/meta-nf5280m7/conf/machine/nf5280m7.conf b/meta-inspur/meta-nf5280m7/conf/machine/nf5280m7.conf
new file mode 100644
index 0000000..10e3fd2
--- /dev/null
+++ b/meta-inspur/meta-nf5280m7/conf/machine/nf5280m7.conf
@@ -0,0 +1,16 @@
+# Add a device tree for nf5280m7
+KMACHINE = "aspeed"
+KERNEL_DEVICETREE = "${KMACHINE}-bmc-inspur-${MACHINE}.dtb"
+
+UBOOT_MACHINE = "ast2600_openbmc_spl_defconfig"
+UMACHINE = "ast2600"
+UBOOT_DEVICETREE = "${UMACHINE}-inspur-${MACHINE}"
+SPL_BINARY = "spl/u-boot-spl.bin"
+
+require conf/machine/include/ast2600.inc
+require conf/machine/include/obmc-bsp-common.inc
+
+FLASH_SIZE = "65536"
+
+SOCSEC_SIGN_ENABLE = "0"
+