cisco_nxos_show_version.textfsm updated to get BIOS version

[i-m-d]

Added support for getting BIOS version.

Tested in Nexus 3048, 93xx, 92xx and several versions (6.x, 7.x, 9.x and 10.x)

Lines added:
Value BIOS (\d+.\d+(.+)?)
^\s+(BIOS:\s+version)\s+${BIOS}\s*$$

Templete complete:
Value UPTIME ((\d+\s\w+.s.,?\s?){4})
Value LAST_REBOOT_REASON (.+)
Value BIOS (\d+.\d+(.+)?)
Value OS (\d+.\d+(.+)?)
Value BOOT_IMAGE (.)
Value PLATFORM (\w+)
Value HOSTNAME (.)
Value SERIAL (\w+)

Start
^\s+(BIOS:\s+version)\s+${BIOS}\s*$$
^\s+(NXOS: version|system:\s+version)\s+${OS}\s*$$
^\s+(NXOS|kickstart)\s+image\s+file\s+is:\s+${BOOT_IMAGE}\s*$$
^\s+cisco\s+${PLATFORM}\s+[cC]hassis
^\s+cisco\s+Nexus\d+\s+${PLATFORM}

Cisco N5K platform

^\s+cisco\s+Nexus\s+${PLATFORM}\s+[cC]hassis
^\s+Device\s+name:\s+${HOSTNAME}$$
^\s+cisco\s+.+-${PLATFORM}\s*

Nexus intel platform uses Board ID as serial/license

^\s*Processor\s[Bb]oard\sID\s+${SERIAL}$$
^Kernel\s+uptime\s+is\s+${UPTIME}
^\s+Reason:\s${LAST_REBOOT_REASON} -> Record