sysinv_fpga_agent merge with sysinv_agent

Merging services sysinv-fpga-agent with sysinv-agent
in order to reduce overall OS overhead.

Test Plan: (CentOS)

On AIO-DX env:
<sysinv-fpga-agent tests>
PASS: Check FPGA pod and its resources.
PASS: Check FPGA pod and its resources after lock/unlock.
PASS: Check FPGA pod and its resources after the system reboot.
PASS: Verify image upload with non-functional image with
retimer-included
PASS: Verify retimer_a_version and retimer_b_version after applying
BMC image with re-timer and bmc
PASS: Verify firmware update for BMC and retimer image with
retimer-include=False
PASS: Verify apply BMC image without re-timer first and then BMC
image with re-timer, only latest image is kept in
device-image-state-list
PASS: Test accelerator configuration is persistent after lock/unlock.
PASS: Test to verify that the accelerator configuration is persistent
after a graceful reboot.

<sysinv-agent tests>
PASS: Verify alarms raised by PTP feature
PASS: Verify the configuration and run of single ptp-instance
PASS: Verify the configuration and run of single phc2sys
PASS: Verify PTP CLI commands

Story: 2010087
Task: 45628

Depends-On: I1a7db97390f4e331e05aec68471ca9bd08ce63d0
Signed-off-by: Davi Frossard <dbarrosf@windriver.com>
Change-Id: I593722ac55478c57db80c2ff950a0574ae70d545

bsp-files/filter_out_from_controller

@@ -55,7 +55,6 @@ openvswitch
 openvswitch-config
 pci-irq-affinity-agent
 kvm-timer-advance
-sysinv-fpga-agent
 kernel-rt-headers
 kernel-rt-devel
 kernel-headers

bsp-files/filter_out_from_prestaging

@@ -587,7 +587,6 @@ stx-snmp-helm
 stx-ssl
 stx-vault-helm
 stx-vault-helm-fluxcd
-sysinv-fpga-agent
 syslog-ng-config
 sysstat
 systemd

bsp-files/filter_out_from_storage

@@ -337,7 +337,6 @@ stx-nginx-ingress-controller-helm
 stx-portieris-helm
 stx-snmp-helm
 stx-vault-helm
-sysinv-fpga-agent
 k8s-pod-recovery
 kernel-rt-headers
 kernel-rt-devel