Internal Flash for EEPROM emulation in sector 1,2 and 3, passed !!!!!!!!!

Note :

NuttShell (NSH)
nsh> eeprom start
eeprom: mounted EEPROM at /eeprom
nsh> ls
/:
 dev/
 eeprom/
 etc/
 fs/
 obj/
nsh> cd eeprom
nsh> ls
/eeprom:
 parameters
nsh>

Signed-off-by: cctsao1008 <chiacheng.tsao@gmail.com>