oprofile: more whitespace fixes

arch/alpha/oprofile/common.c

arch/ia64/oprofile/init.c

arch/ia64/oprofile/perfmon.c

arch/m32r/oprofile/init.c

arch/mips/oprofile/common.c

arch/mips/oprofile/op_impl.h

arch/mips/oprofile/op_model_rm9000.c

arch/parisc/oprofile/init.c

arch/powerpc/oprofile/op_model_cell.c

arch/sparc/oprofile/init.c

arch/sparc64/oprofile/init.c

arch/x86/oprofile/backtrace.c

arch/x86/oprofile/op_model_amd.c

arch/x86/oprofile/op_x86_model.h

drivers/oprofile/cpu_buffer.c

drivers/oprofile/cpu_buffer.h

drivers/oprofile/event_buffer.c

drivers/oprofile/oprof.h

drivers/oprofile/oprofile_files.c

drivers/oprofile/oprofile_stats.c