treewide: switch '/usr/share' to datadir

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I8ea79d284356629f5b7b24ad3a99336e9e2e297e
diff --git a/meta-intel-openbmc/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_%.bbappend b/meta-intel-openbmc/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_%.bbappend
index 29b9858..fd9b844 100644
--- a/meta-intel-openbmc/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_%.bbappend
+++ b/meta-intel-openbmc/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-ipmb_%.bbappend
@@ -4,5 +4,5 @@
 
 do_install:append(){
     install -m 0644 -D ${WORKDIR}/ipmb-channels.json \
-                   ${D}/usr/share/ipmbbridge
+                   ${D}${datadir}/ipmbbridge
 }