Add CRYPTO_sysrand benchmarks to speed.cc #4478

Job	Run time
tpm2-tss	3m 30s
haproxy	3m 47s
grpc	21m 27s
bind9	4m 58s
nmap	2m 25s
ntp	2m 18s
OpenLDAP	17m 14s
openvpn2-6	3m 47s
Python main	3m 46s
Python releases (FIPS=0 OPENSSL_IN_CRT=0)	12m 12s
socat	4m 48s
Python releases (FIPS=1 OPENSSL_IN_CRT=0)	13m 44s
strongswan	2m 5s
Python releases (FIPS=0 OPENSSL_IN_CRT=1)	11m 58s
tcpdump	1m 45s
Python releases (FIPS=1 OPENSSL_IN_CRT=1)	12m 43s
trousers	2m 18s
amazon-corretto-crypto-provider	18m 31s
libevent	28m 43s
openvpnMaster	4m 11s
	2h 56m 10s

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