Fix:
pcmcia.c: In function 'pcmcia_hardware_enable':
pcmcia.c:83:25: warning: variable 'sysp' set but not used
[-Wunused-but-set-variable]
pcmcia.c:81:21: warning: variable 'cp' set but not used
[-Wunused-but-set-variable]
pcmcia.c:80:20: warning: variable 'immap' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Wolfgang Denk <wd@denx.de>