Dont throw an exception if there are no PL Kernels in xclbin #1791

Job	Run time
authorize	13s
windows-build	13m 47s
apu-package-build	52m 17s
build (centos78, rpm)	13m 38s
build (centos8, rpm)	25m 43s
build (rhel9, rpm)	25m 24s
build (ubuntu2004, deb)	27m 45s
build (hip, deb)	28m 16s
build (ubuntu2404, deb)	14m 27s
package-download	59s
extract-platforms	11s
pcie-sw-emulation-tests (centos_8.1)	9m 54s
pcie-hw-emulation-tests (centos_8.1)	20m 8s
pcie-hw-tests (xilinx_u250_gen3x16_xdma_4_1_202210_1)	58m 36s
test-summary	14s
cleanup-build	13s
	4h 51m 45s

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