common: tsi148 - fix gcc 4.6 compiler warning

Configuring for vme8349 board...
cmd_tsi148.c: In function 'tsi148_init':
cmd_tsi148.c:56:17: warning: variable 'lastError' set but not used [-Wunused-but-set-variable]

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
1 file changed