meta-yadro: Yocto override syntax change

Convert with convert-overrides.py
Sync local.conf.sample with:
- poky/meta-poky/conf/local.conf.sample
- meta-facebook/meta-tiogapass/conf/local.conf.sample
Additional manual changes (not found by convert-overrides.py) in
- meta-yadro/meta-nicole/recipes-kernel/linux/linux-aspeed_%.bbappend
- meta-yadro/meta-nicole/recipes-phosphor/images/obmc-phosphor-image.bbappend
- meta-yadro/meta-nicole/recipes-phosphor/settings/phosphor-settings-manager_%.bbappend

Tested: image compiles.

Signed-off-by: Andrei Kartashev <a.kartashev@yadro.com>
Change-Id: I959669bad43ce09c0817b2a002e6db546fb98f7f
diff --git a/meta-yadro/meta-nicole/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend b/meta-yadro/meta-nicole/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend
index 1390922..58e6d0c 100644
--- a/meta-yadro/meta-nicole/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend
+++ b/meta-yadro/meta-nicole/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend
@@ -1,6 +1,6 @@
-FILESEXTRAPATHS_append := "${THISDIR}/files:"
+FILESEXTRAPATHS:append := "${THISDIR}/files:"
 
-SRC_URI_append = " \
+SRC_URI:append = " \
     file://0001-Add-system-reset-status-support.patch \
     file://0002-config-ast-common-set-fieldmode-to-true.patch \
     file://0003-aspeed-add-gpio-support.patch \