k2g-evm: add K2G platform

Signed-off-by: Denys Dmytriyenko <denys@ti.com>

conf/machine/k2g-evm.conf

@@ -0,0 +1,30 @@
+#@TYPE: Machine
+#@NAME: Keystone 2 K2G machine
+#@DESCRIPTION: Machine configuration for the TI Keystone 2 K2G EVM
+
+require conf/machine/include/keystone.inc
+
+UBOOT_MACHINE = "k2g_evm_config"
+
+BOOT_MONITOR_MAKE_TARGET = "k2g"
+
+IMAGE_FSTYPES += "ubi tar.gz cpio"
+
+SERIAL_CONSOLE = "115200 ttyS0"
+
+SYSVINIT_ENABLED_GETTYS = ""
+
+# do ubiattach /dev/ubi_ctrl -m 4
+# From dmesg:
+# UBI: smallest flash I/O unit:    4096
+# UBI: logical eraseblock size:    253952 bytes
+# from ubiattach stdout:
+# UBI device number 0, total 1926 LEBs
+MKUBIFS_ARGS = "-F -m 4096 -e 253952 -c 1926"
+
+# do ubiattach /dev/ubi_ctrl -m 4
+# from dmesg:
+# UBI: smallest flash I/O unit:    4096
+# UBI: physical eraseblock size:   256 KiB
+# UBI: sub-page size:              4096
+UBINIZE_ARGS = "-m 4096 -p 256KiB -s 4096 -O 4096"