fp5280g2: Add ds3232 & pca953x kernel config

CONFIG_RTC_DRV_DS3232 is depended by "dallas,ds3232".
CONFIG_GPIO_PCA953X is depended by "nxp,pca9555".

Tested: Built fp5280g2 successfully and manually verified via
              `bitbake -c menuconfig linux-aspeed`

(From meta-inspur rev: a79eb50fea9f49097d289652afe6ec15ed2051db)

Signed-off-by: John Wang <wangzqbj@inspur.com>
Change-Id: I5b9c970d02fe587ef39a9a5d6f92b76de4334190
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-inspur/meta-fp5280g2/recipes-kernel/linux/linux-aspeed/fp5280g2/fp5280g2.cfg b/meta-inspur/meta-fp5280g2/recipes-kernel/linux/linux-aspeed/fp5280g2/fp5280g2.cfg
index 8217a18..587dc57 100644
--- a/meta-inspur/meta-fp5280g2/recipes-kernel/linux/linux-aspeed/fp5280g2/fp5280g2.cfg
+++ b/meta-inspur/meta-fp5280g2/recipes-kernel/linux/linux-aspeed/fp5280g2/fp5280g2.cfg
@@ -1,2 +1,4 @@
 CONFIG_SENSORS_TMP421=y
 CONFIG_SENSORS_EMC1403=y
+CONFIG_RTC_DRV_DS3232=y
+CONFIG_GPIO_PCA953X=y