openbmc-machines: Remove unncessary CONFIG_HWMON

CONFIG_HWMON is implied by the drivers that use it, so we do not need to
specify it in the defconfigs.

Change-Id: I1c6e8679412f80dc0db69ef0f72a9c73e8602fb9
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/meta-palmetto/recipes-kernel/linux/linux-obmc/palmetto.cfg b/meta-palmetto/recipes-kernel/linux/linux-obmc/palmetto.cfg
index 2594dec..498497e 100644
--- a/meta-palmetto/recipes-kernel/linux/linux-obmc/palmetto.cfg
+++ b/meta-palmetto/recipes-kernel/linux/linux-obmc/palmetto.cfg
@@ -1,4 +1,3 @@
-CONFIG_HWMON=y
 CONFIG_SENSORS_NCT7904=y
 CONFIG_EEPROM_AT24=y
 CONFIG_SENSORS_TMP421=y
diff --git a/meta-romulus/recipes-kernel/linux/linux-obmc/romulus.cfg b/meta-romulus/recipes-kernel/linux/linux-obmc/romulus.cfg
index 9bdc179..9f8fdb9 100644
--- a/meta-romulus/recipes-kernel/linux/linux-obmc/romulus.cfg
+++ b/meta-romulus/recipes-kernel/linux/linux-obmc/romulus.cfg
@@ -1,4 +1,3 @@
-CONFIG_HWMON=y
 CONFIG_SENSORS_TMP421=y
 CONFIG_SENSORS_MAX31785=y
 CONFIG_RTC_DRV_RV8803=y
diff --git a/meta-witherspoon/recipes-kernel/linux/linux-obmc/witherspoon.cfg b/meta-witherspoon/recipes-kernel/linux/linux-obmc/witherspoon.cfg
index 029e843..dc41d58 100644
--- a/meta-witherspoon/recipes-kernel/linux/linux-obmc/witherspoon.cfg
+++ b/meta-witherspoon/recipes-kernel/linux/linux-obmc/witherspoon.cfg
@@ -1,4 +1,3 @@
-CONFIG_HWMON=y
 CONFIG_SENSORS_IIO_HWMON=y
 CONFIG_SENSORS_TMP421=y
 CONFIG_SENSORS_MAX31785=y