recipes-kernel: Add sensor config for MAX34440

Add CONFIG_SENSORS_MAX34440=y

Tested:
```
root@zoro:/sys/bus/i2c/drivers/max34440# ls
35-0059  bind     uevent   unbind
```

Google-Bug-Id: 453584959
Change-Id: Ia2036837ea65568d3e84379f27533c97a91e5d59
Signed-off-by: Shao-Chieh <jieh.sc.chao@fii-na.corp-partner.google.com>
diff --git a/recipes-kernel/linux/files/aspeed-g7-gbmc.cfg b/recipes-kernel/linux/files/aspeed-g7-gbmc.cfg
index 413bfdf..5ca0ca0 100644
--- a/recipes-kernel/linux/files/aspeed-g7-gbmc.cfg
+++ b/recipes-kernel/linux/files/aspeed-g7-gbmc.cfg
@@ -185,6 +185,7 @@
 CONFIG_SENSORS_IIO_HWMON=y
 CONFIG_SENSORS_LM75=y
 CONFIG_SENSORS_MAX31790=y
+CONFIG_SENSORS_MAX34440=y
 CONFIG_SENSORS_PECI_CPUTEMP=y
 CONFIG_PMBUS=y
 CONFIG_SENSORS_PMBUS=y