Add MIPS32 cross compilation, refactor existing cross-compilation job… #4

Job	Run time
mips-32, Shared, OpenSSL, Threadpool On	6m 4s
mips-32, Shared, OpenSSL, Threadpool Off	6m 2s
mips-32, Shared, MbedTLS, Threadpool On	3m 39s
mips-32, Shared, MbedTLS, Threadpool Off	3m 41s
mips-32, Static, OpenSSL, Threadpool On	6m 4s
mips-32, Static, OpenSSL, Threadpool Off	5m 55s
mips-32, Static, MbedTLS, Threadpool On	3m 22s
mips-32, Static, MbedTLS, Threadpool Off	3m 7s
arm-32, Shared, OpenSSL, Threadpool On	6m 22s
arm-32, Shared, OpenSSL, Threadpool Off	6m 34s
arm-32, Shared, MbedTLS, Threadpool On	3m 40s
arm-32, Shared, MbedTLS, Threadpool Off	3m 33s
arm-32, Static, OpenSSL, Threadpool On	5m 54s
arm-32, Static, OpenSSL, Threadpool Off	5m 56s
arm-32, Static, MbedTLS, Threadpool On	3m 8s
arm-32, Static, MbedTLS, Threadpool Off	3m 14s
arm-64, Shared, OpenSSL, Threadpool On	6m 26s
arm-64, Shared, OpenSSL, Threadpool Off	6m 6s
arm-64, Shared, MbedTLS, Threadpool On	3m 44s
arm-64, Shared, MbedTLS, Threadpool Off	3m 38s
arm-64, Static, OpenSSL, Threadpool On	6m 4s
arm-64, Static, OpenSSL, Threadpool Off	5m 55s
arm-64, Static, MbedTLS, Threadpool On	3m 14s
arm-64, Static, MbedTLS, Threadpool Off	3m 22s
aarch-64, Shared, OpenSSL, Threadpool On	6m 8s
aarch-64, Shared, OpenSSL, Threadpool Off	7m 55s
aarch-64, Shared, MbedTLS, Threadpool On	3m 52s
aarch-64, Shared, MbedTLS, Threadpool Off	3m 56s
aarch-64, Static, OpenSSL, Threadpool On	5m 58s
aarch-64, Static, OpenSSL, Threadpool Off	7m 41s
aarch-64, Static, MbedTLS, Threadpool On	3m 14s
aarch-64, Static, MbedTLS, Threadpool Off	3m 12s
	2h 36m 40s

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