mrsas: Update driver version to 07.735.03.00-fbsd

[chandrakanth.patil_broadcom.com]

Summary

The in-tree/inbox mrsas driver is already functionally equivalent
to 07.735.03.00-fbsd, but the reported version string remained at
07.709.04.00-fbsd. Update MRSAS_VERSION so dmesg/logs and tools
report the correct driver version and avoid confusion during support
and triage.

No functional change, string only.

[imp]

I think that while our driver may be up to date, our man page describing what's supported may be lagging a little, especially for OEMs. Is that something you can look into updating?

[chandrakanth.patil_broadcom.com]

In D52148#1191111, @imp wrote:

I think that while our driver may be up to date, our man page describing what's supported may be lagging a little, especially for OEMs. Is that something you can look into updating?

ok. I will check what is missing in the man page and will update accordingly.