meta-ingrasys: meta-zaius: Cleanup for Yocto override syntax change

Cleanup with
```
convert-overrides.py meta-ingrasys

git grep -l _zaius -- meta-ingrasys \
  | xargs sed -i 's/_zaius/:zaius/'
```

After cleanup
```
$ git grep "_[a-z0-9_/-]*[ :]" -- meta-ingrasys | grep '.bb'
meta-ingrasys/meta-zaius/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend:# compose_list is not defined immediately so don't use :=
```

Signed-off-by: Brandon Kim <brandonkim@google.com>
Change-Id: Ib2da97530167688313ac16aedd69168137788c86
diff --git a/meta-ingrasys/meta-zaius/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend b/meta-ingrasys/meta-zaius/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend
index ddd2ff8..426e25e 100644
--- a/meta-ingrasys/meta-zaius/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend
+++ b/meta-ingrasys/meta-zaius/recipes-bsp/u-boot/u-boot-aspeed_%.bbappend
@@ -1,2 +1,2 @@
-FILESEXTRAPATHS_prepend_zaius := "${THISDIR}/${PN}:"
-SRC_URI_append_zaius = " file://0001-board-aspeed-Add-reset_phy-for-Zaius.patch"
+FILESEXTRAPATHS:prepend:zaius := "${THISDIR}/${PN}:"
+SRC_URI:append:zaius = " file://0001-board-aspeed-Add-reset_phy-for-Zaius.patch"