PHAL: remove devtree import data file in genesis boot

Signed-off-by: Jayanth Othayoth <ojayanth@in.ibm.com>
Change-Id: I43533934f4db5a43aa6709aab3ec5aef35fa2cfb
diff --git a/service_files/phal-reinit-devtree.service.in b/service_files/phal-reinit-devtree.service.in
index 5e44aba..823b01c 100644
--- a/service_files/phal-reinit-devtree.service.in
+++ b/service_files/phal-reinit-devtree.service.in
@@ -7,6 +7,7 @@
 Type=oneshot
 RemainAfterExit=no
 ExecStart=/bin/rm -f /var/lib/phal/genesisboot
+ExecStart=/bin/rm -f /var/lib/phal/exportdevtree
 
 [Install]
 RequiredBy=obmc-host-start@0.target