Add mihawk platform to meta-ibm

The contents of this up-stream include the following items
1.Basic function
2.Led settings
3.GPIO monitor (id button and power supply)
4.Linux dts patch.

(From meta-ibm rev: c53430a2234917b71f29d7e61d6aea749c45a2fc)

Change-Id: Id0e47fd9197c8b2a70cbc94888bd572255664cdd
Signed-off-by: Ben Pai <Ben_Pai@wistron.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-ibm/meta-witherspoon/recipes-kernel/linux/linux-aspeed/mihawk.cfg b/meta-ibm/meta-witherspoon/recipes-kernel/linux/linux-aspeed/mihawk.cfg
new file mode 100644
index 0000000..63c39a9
--- /dev/null
+++ b/meta-ibm/meta-witherspoon/recipes-kernel/linux/linux-aspeed/mihawk.cfg
@@ -0,0 +1,10 @@
+CONFIG_HWMON=y
+CONFIG_SENSORS_IIO_HWMON=y
+CONFIG_SENSORS_TMP421=y
+CONFIG_SENSORS_MAX31785=y
+CONFIG_SENSORS_UCD9000=y
+CONFIG_RTC_DRV_RV8803=y
+CONFIG_IIO=y
+CONFIG_BMP280=y
+CONFIG_SENSORS_TMP275=y
+CONFIG_SENSORS_EMC1403=y