oprofile: update file list in MAINTAINERS file

File list now catches:

 $ xargs | eval ls -d $(cat) | sort -u
 arch/*/include/asm/oprofile*.h
 arch/*/oprofile/
 drivers/oprofile/
 include/linux/oprofile.h

 arch/alpha/oprofile/
 arch/arm/oprofile/
 arch/avr32/oprofile/
 arch/blackfin/oprofile/
 arch/ia64/oprofile/
 arch/m32r/oprofile/
 arch/microblaze/oprofile/
 arch/mips/oprofile/
 arch/mn10300/oprofile/
 arch/parisc/oprofile/
 arch/powerpc/include/asm/oprofile_impl.h
 arch/powerpc/oprofile/
 arch/s390/oprofile/
 arch/sh/oprofile/
 arch/sparc/oprofile/
 arch/x86/oprofile/
 drivers/oprofile/
 include/linux/oprofile.h

Signed-off-by: Robert Richter <robert.richter@amd.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index a0e3c3a..31e8586 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4165,6 +4165,7 @@
 M:	Robert Richter <robert.richter@amd.com>
 L:	oprofile-list@lists.sf.net
 S:	Maintained
+F:	arch/*/include/asm/oprofile*.h
 F:	arch/*/oprofile/
 F:	drivers/oprofile/
 F:	include/linux/oprofile.h