CI: unpack yml2 into INSTPREFIX

yml2 and particularly yml2proc can be placed directly into INSTPREFIX
instead of BUILDROOT.

scripts/debian10/build_pEpEngine.sh

@@ -7,8 +7,8 @@ cat >local.conf <<__LOCAL__
 PREFIX=${INSTPREFIX}
 SQLITE3_FROM_OS=""
 PER_MACHINE_DIRECTORY=${PEP_MACHINE_DIR}
-YML2_PATH=${BUILDROOT}/yml2
-YML2_PROC=${BUILDROOT}/yml2/yml2proc
+YML2_PATH=${INSTPREFIX}/yml2
+YML2_PROC=${INSTPREFIX}/yml2/yml2proc
 ETPAN_LIB=-L${INSTPREFIX}/libetpan/lib
 ETPAN_INC=-I${INSTPREFIX}/libetpan/include
 ASN1C=${INSTPREFIX}/asn1c/bin/asn1c

scripts/debian10/build_pEpEngine_deps.sh

@@ -2,7 +2,7 @@
 set -exo
 
 ### YML2
-cd $BUILDROOT
+cd $INSTPREFIX
 wget https://fdik.org/yml2.tar.bz2
 tar -xf yml2.tar.bz2
 rm yml2.tar.bz2