Added more informations at command hw version. Now we can get some informations of...

Added more informations at command hw version. Now we can get some informations of microcontroller.
Maybe is useful when someone got a bigger AT91

Example:
#db# Prox/RFID mark3 RFID instrument
#db# bootrom: svn 756-unclean 2013-09-14 15:04:07
#db# os: svn 796-unclean 2013-10-04 18:50:44
#db# FPGA image built on 2013/ 9/26 at  9:17:32
uC: AT91SAM7S256 Rev B
Embedded Processor: ARM7TDMI
Nonvolatile Program Memory Size: 256K bytes
Second Nonvolatile Program Memory Size: None
Internal SRAM Size: 64K bytes
Architecture Identifier: AT91SAM7Sxx Series
Nonvolatile Program Memory Type: Embedded Flash Memory