meta-ibm: set correct packagearch

Set the correct (noarch) package arch on a couple of
shell-script-providing packages.

Change-Id: I651ba85b3a5fe9d89dd1f5940b7c08ebb4b421d4
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-witherspoon/recipes-phosphor/chassis/power-workarounds.bb b/meta-witherspoon/recipes-phosphor/chassis/power-workarounds.bb
index c510842..891620b 100644
--- a/meta-witherspoon/recipes-phosphor/chassis/power-workarounds.bb
+++ b/meta-witherspoon/recipes-phosphor/chassis/power-workarounds.bb
@@ -3,6 +3,7 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://${IBMBASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
 
+inherit allarch
 inherit obmc-phosphor-systemd
 
 RDEPENDS_${PN} += "i2c-tools"