meta-ibm: Adds SI7020 to kernel config

This sensor on the Op_Panel, one of them being a SI7020 type sensor
which needed to be enabled.

Signed-off-by: Bruce Mitchell <bruce.mitchell@linux.vnet.ibm.com>
Change-Id: Ib6a86a6fae52414ad9c6901e5f6f8aa8c8a383c3
diff --git a/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg b/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg
index 481a621..5cda19a 100644
--- a/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg
+++ b/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg
@@ -5,6 +5,7 @@
 CONFIG_SENSORS_UCD9000=y
 CONFIG_RTC_DRV_RV8803=y
 CONFIG_IIO=y
+CONFIG_SI7020=y
 CONFIG_BMP280=y
 CONFIG_PSTORE=y
 CONFIG_PSTORE_CONSOLE=y