task-sysmocom-bts: calib is sysmobts-v2-only

recipes-apps/tasks/task-sysmocom-bts.bb

@@ -4,14 +4,17 @@ LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3
                     file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
 DEPENDS = "virtual/kernel"
 ALLOW_EMPTY = "1"
-PR = "r13"
+PR = "r16"
+
+CALIB = ""
+CALIB_sysmobts-v2 = "sysmobts-calib"
 
 # TODO: re-add femtobts-calib after it went through the API migration
-RDEPENDS_task-sysmocom-bts = "\
+RDEPENDS_${PN} = "\
     osmo-bts \
     osmo-bts-remote \
-    sysmobts-calib \
     osmo-pcu \
     lmsensors-scripts \
+    ${CALIB} \
     "