recipes-kernel: Add sensor config for PSU voltage sensor

Add CONFIG_SENSORS_PMBUS=y

Tested:
Check final .config file.

Fusion-Link: N/A
Google-Bug-Id: 407667858
Change-Id: I4a64d40241ebf0fe36369fc0025f69d5aba4b8fc
Signed-off-by: Shao-Chieh Chao <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 8d7943c..6a36705 100644
--- a/recipes-kernel/linux/files/aspeed-g7-gbmc.cfg
+++ b/recipes-kernel/linux/files/aspeed-g7-gbmc.cfg
@@ -188,6 +188,7 @@
 CONFIG_SENSORS_MAX31790=y
 CONFIG_SENSORS_PECI_CPUTEMP=y
 CONFIG_PMBUS=y
+CONFIG_SENSORS_PMBUS=y
 CONFIG_SENSORS_ADM1275=y
 CONFIG_SENSORS_ISL68137=y
 CONFIG_SENSORS_TMP421=y