meta-ampere: fix compilation error with latest Yocto

Make the following changes to fix compilation errors:
1. Add honister to LAYERSERIES_COMPAT
2. Increase CONF_VERSION to 2.
3. Fix mistake on previous change on Yocto syntax update.

Tested:
1. Compile OpenBMC for Mt.Jade without error.

Signed-off-by: Thang Q. Nguyen <thang@os.amperecomputing.com>
Change-Id: I5ac3f568d776109955759fab78844b1d38a51af1
diff --git a/meta-ampere/meta-jade/recipes-phosphor/gpio/psu-hotswap-reset.bb b/meta-ampere/meta-jade/recipes-phosphor/gpio/psu-hotswap-reset.bb
index 90c4520..2ca18a0 100644
--- a/meta-ampere/meta-jade/recipes-phosphor/gpio/psu-hotswap-reset.bb
+++ b/meta-ampere/meta-jade/recipes-phosphor/gpio/psu-hotswap-reset.bb
@@ -13,7 +13,7 @@
 
 # Copies config file having arguments for psu
 # via GPIO assertion
-SYSTEMD_ENVIRONMENT_FILE:${PN} +="obmc/gpio/PSU1_B25 \
+SYSTEMD_ENVIRONMENT_FILE_${PN} +="obmc/gpio/PSU1_B25 \
                                   obmc/gpio/PSU2_B25 \
                                  "
 SYSTEMD_SERVICE:${PN} ?= "psu1_hotswap_reset.service psu2_hotswap_reset.service"
@@ -21,13 +21,12 @@
 SRC_URI += "file://ampere_psu_reset_hotswap.sh"
 
 do_install() {
-        install -d ${D}${bindir}
-        install -m 0755 ${WORKDIR}/ampere_psu_reset_hotswap.sh \
-        ${D}${bindir}/ampere_psu_reset_hotswap.sh
+        install -d ${D}${sbindir}
+        install -m 0755 ${WORKDIR}/ampere_psu_reset_hotswap.sh ${D}${sbindir}/
 }
 
 GPIO_MONITOR_TMPL = "phosphor-gpio-monitor@.service"
 GPIO_MONITOR_TGTFMT = "phosphor-gpio-monitor@{0}.service"
 TGT = "multi-user.target"
 PSU_MONITOR_FMT = "../${GPIO_MONITOR_TMPL}:${TGT}.requires/${GPIO_MONITOR_TGTFMT}"
-SYSTEMD_LINK:${PN} += "${@compose_list(d, 'PSU_MONITOR_FMT', 'OBMC_PSU_MONITOR_INSTANCES', 'OBMC_HOST_INSTANCES')}"
+SYSTEMD_LINK_${PN} += "${@compose_list(d, 'PSU_MONITOR_FMT', 'OBMC_PSU_MONITOR_INSTANCES', 'OBMC_HOST_INSTANCES')}"