meta-ampere: Initial AmpereOne(TM) Mt. Mitchell's non-DC-SCM BMC support

Add new Mt.Mitchell platform with basic features so that it can be
compiled and works.

Tested:
1. Compile for Mt.Mitchell successful.
2. Flash and check for the firmware can boot on the Mt.Mitchell
non-DC-SCM system without issue

Signed-off-by: Chanh Nguyen <chanh@os.amperecomputing.com>
Change-Id: I8dc9db9029b27c0c6325c31d368cdbb614a3c8b6
diff --git a/meta-ampere/meta-mitchell/recipes-kernel/linux/linux-aspeed/ampere.cfg b/meta-ampere/meta-mitchell/recipes-kernel/linux/linux-aspeed/ampere.cfg
new file mode 100644
index 0000000..1990bf4
--- /dev/null
+++ b/meta-ampere/meta-mitchell/recipes-kernel/linux/linux-aspeed/ampere.cfg
@@ -0,0 +1,36 @@
+#
+# BOM
+#
+CONFIG_RTC_DRV_PCF85063=y
+CONFIG_IIO_MUX=y
+CONFIG_MUX_GPIO=y
+CONFIG_I2C_MUX=y
+
+CONFIG_SENSORS_IIO_HWMON=y
+CONFIG_ASPEED_ADC=y
+CONFIG_SENSORS_LM75=y
+CONFIG_SENSORS_EMC1403=y
+CONFIG_LTC2497=y
+CONFIG_I2C_SLAVE=y
+CONFIG_SENSORS_ASPEED=y
+
+CONFIG_USB_PHY=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_CONFIGFS=y
+CONFIG_USB_ASPEED_VHUB=y
+CONFIG_USB_CONFIGFS_ECM=y
+
+CONFIG_HWMON=y
+
+CONFIG_PWM=y
+CONFIG_PWM_SYSFS=y
+CONFIG_SENSORS_PWM_FAN=y
+CONFIG_SENSORS_ASPEED=y
+
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
+CONFIG_REGULATOR=y
+
+CONFIG_SENSORS_MAX31790=y
+
+CONFIG_NET_NCSI=y
+CONFIG_NCSI_OEM_CMD_GET_MAC=y