ARM: shmobile: Remove the console check from sh7372_enter_suspend()

The !console_suspend_enabled check in sh7372_enter_suspend() seems
to be reversed and the condition it is supposed to catch (console
clock enabled) should be detected by the sh7372_sysc_valid() check
anyway, so remove it.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Magnus Damm <damm@opensource.se>