eth_type moved outside ethernet header in fabric.p4

Change-Id: I3ae0813c5e8aba48767d5bb235fbbcfb75954010
(cherry picked from commit 693d76f189c59579837b559975c0ba767335dfc0)
diff --git a/pipelines/fabric/impl/src/main/resources/bmv2-compile.sh b/pipelines/fabric/impl/src/main/resources/bmv2-compile.sh
index 9f2c558..2cc8a3f 100755
--- a/pipelines/fabric/impl/src/main/resources/bmv2-compile.sh
+++ b/pipelines/fabric/impl/src/main/resources/bmv2-compile.sh
@@ -3,7 +3,7 @@
 set -e
 
 BMV2_CPU_PORT="255"
-BMV2_PP_FLAGS="-DTARGET_BMV2 -DCPU_PORT=${BMV2_CPU_PORT} -DWITH_PORT_COUNTER"
+BMV2_PP_FLAGS="-DTARGET_BMV2 -DCPU_PORT=${BMV2_CPU_PORT} -DWITH_PORT_COUNTER -DWITH_DEBUG"
 
 PROFILE=$1
 OTHER_PP_FLAGS=$2