meta-intel-openbmc: prep for new override syntax

Ran `scripts/contrib/convert-overrides.py` from upstream Yocto and
fixed up a few by hand that were missed.

Tested: Built s2600wf.

Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Change-Id: I983385c8cdd4e2727c5c1a3d56952d6ac7fd89cc
diff --git a/meta-intel-openbmc/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host_%.bbappend b/meta-intel-openbmc/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host_%.bbappend
index 876567f..652481d 100644
--- a/meta-intel-openbmc/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host_%.bbappend
+++ b/meta-intel-openbmc/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host_%.bbappend
@@ -1,4 +1,4 @@
-do_install_append_intel(){
+do_install:append:intel(){
   install -d ${D}${includedir}/phosphor-ipmi-host
   install -m 0644 -D ${S}/sensorhandler.hpp ${D}${includedir}/phosphor-ipmi-host
   install -m 0644 -D ${S}/selutility.hpp ${D}${includedir}/phosphor-ipmi-host