misc: Use ALLOW_EMPTY_${PN} and RDEPENDS_${PN} to silent warnings

Newer versions of poky warn about ALLOW_EMPTY on non _PN versions.

recipes-apps/tasks/task-gprscore.bb

@@ -3,10 +3,10 @@ LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58 \
                     file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
 DEPENDS = "virtual/kernel"
-ALLOW_EMPTY = "1"
+ALLOW_EMPTY_${PN} = "1"
 PR = "r1"
 
-RDEPENDS_task-gprscore = "\
+RDEPENDS_${PN} = "\
     openggsn \
     gprs-routing osmo-sgsn \
     sysmocom-ggsn-config \

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

@@ -3,8 +3,8 @@ LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58 \
                     file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
 DEPENDS = "virtual/kernel"
-ALLOW_EMPTY = "1"
-PR = "r17"
+ALLOW_EMPTY_${PN} = "1"
+PR = "r18"
 
 CALIB = ""
 CALIB_sysmobts-v2 = "sysmobts-calib"

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

@@ -3,10 +3,10 @@ LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58 \
                     file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
 DEPENDS = "virtual/kernel"
-ALLOW_EMPTY = "1"
-PR = "r3"
+ALLOW_EMPTY_${PN} = "1"
+PR = "r4"
 
-RDEPENDS_task-sysmocom-debug = "\
+RDEPENDS_${PN} = "\
     dropbear \
     mtd-utils \
     strace \

recipes-apps/tasks/task-sysmocom-e1.bb

@@ -2,10 +2,10 @@ DESCRIPTION = "Task for E1 based sysmocom"
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58 \
                     file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
-ALLOW_EMPTY = "1"
-PR = "r1"
+ALLOW_EMPTY_${PN} = "1"
+PR = "r2"
 
-RDEPENDS_task-sysmocom-e1 = "\
+RDEPENDS_${PN} = "\
     dahdi-linux \
     dahdi-firmware \
     dahdi-tools \

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

@@ -2,10 +2,10 @@ DESCRIPTION = "Task for sysmocom external tools"
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58 \
                     file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
-ALLOW_EMPTY = "1"
+ALLOW_EMPTY_${PN} = "1"
 PR = "r7"
 
-RDEPENDS_task-sysmocom-tools = "\
+RDEPENDS_${PN} = "\
     lmsensors-scripts \
     dropbear \
     mtd-utils \

recipes-apps/tasks/task-sysmocom.bb

@@ -3,10 +3,10 @@ LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58 \
                     file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
 DEPENDS = "virtual/kernel"
-ALLOW_EMPTY = "1"
+ALLOW_EMPTY_${PN} = "1"
 PR = "r11"
 
-RDEPENDS_task-sysmocom = "\
+RDEPENDS_${PN} = "\
     task-sysmocom-tools \
     osmo-bsc \
     osmo-bsc-mgcp \