Configure: replace -mv8 with -mcpu=v8 in SPARC config lines.
Configure: replace -mv8 with -mcpu=v8 in SPARC config lines.

RT#3860

Reviewed-by: Tim Hudson <eb0be8e447f673b41b10eda09d63cd72526b0a42@openssl.org>

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl