ARM: OMAP: Fix warnings in innovator_ps2:

ARM: OMAP: Fix warnings in innovator_ps2:

drivers/input/keyboard/innovator_ps2.c:333: warning: 'block'
defined but not used
drivers/input/keyboard/innovator_ps2.c:338: warning:
'innovator_fpga_hid_lock' defined but not used
drivers/input/keyboard/innovator_ps2.c:339: warning:
'innovator_fpga_hid_busy' defined but not used
drivers/input/keyboard/innovator_ps2.c:383: warning:
'innovator_fpga_hid_clear_bits' defined but not used
drivers/input/keyboard/innovator_ps2.c:702: warning:
'verify_init' defined but not used
drivers/input/keyboard/innovator_ps2.c: In function
'innovator_ps2_resume':
drivers/input/keyboard/innovator_ps2.c:1176: warning:
'pmcomm' may be used uninitialized in this function
drivers/input/keyboard/innovator_ps2.c: In function
'innovator_ps2_suspend':
drivers/input/keyboard/innovator_ps2.c:1153: warning:
'pmcomm' may be used uninitialized in this function

Signed-off-by: Dirk Behme <dirk.behme_at_gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>