bsdkm x86_vecreg: nest counter, and other improvements. #2410

Job	Run time
v4.1.0 \| native_sim \| wolfssl_benchmark	8m 58s
v4.3.0 \| native_sim \| wolfssl_tls_sock	9m 1s
v4.1.0 \| frdm_rw612/rw612 \| wolfssl_benchmark	8m 15s
v4.1.0 \| frdm_rw612/rw612 \| wolfssl_tls_sock	7m 18s
v4.3.0 \| native_sim \| wolfssl_tls_sock \| extlibc	8m 0s
v4.3.0 \| native_sim \| wolfssl_benchmark	8m 59s
v4.1.0 \| native_sim \| wolfssl_tls_sock \| extlibc	10m 5s
v4.1.0 \| frdm_rw612/rw612 \| wolfssl_test	6m 32s
v4.3.0 \| frdm_rw612/rw612 \| wolfssl_benchmark	8m 8s
v4.3.0 \| frdm_rw612/rw612 \| wolfssl_tls_sock	10m 13s
v4.3.0 \| native_sim \| wolfssl_benchmark \| extlibc	9m 8s
v4.1.0 \| native_sim \| wolfssl_tls_sock	7m 14s
v4.1.0 \| native_sim \| wolfssl_test \| extlibc	7m 11s
v4.3.0 \| frdm_rw612/rw612 \| wolfssl_test	8m 55s
v4.1.0 \| native_sim \| wolfssl_benchmark \| extlibc	9m 41s
v4.1.0 \| native_sim \| wolfssl_test	8m 12s
v4.3.0 \| native_sim \| wolfssl_test	10m 10s
v4.4.0 \| native_sim \| wolfssl_test	15m 50s
v4.4.0 \| native_sim \| wolfssl_test \| extlibc	8m 58s
v4.4.0 \| frdm_rw612/rw612 \| wolfssl_test	10m 10s
v4.4.0 \| native_sim \| wolfssl_tls_sock	9m 9s
v4.4.0 \| native_sim \| wolfssl_benchmark \| extlibc	9m 37s
v4.4.0 \| native_sim \| wolfssl_benchmark	10m 39s
v4.4.0 \| frdm_rw612/rw612 \| wolfssl_benchmark	9m 19s
v4.4.0 \| frdm_rw612/rw612 \| wolfssl_tls_sock	9m 16s
v4.3.0 \| native_sim \| wolfssl_test \| extlibc	10m 49s
v4.4.0 \| native_sim \| wolfssl_tls_sock \| extlibc	9m 48s
	4h 9m 35s

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