ACPI: thinkpad-acpi: update MAINTAINERS

Update MAINTAINERS file for the ibm-acpi -> thinkpad-acpi renaming.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>

MAINTAINERS

@@ -1618,15 +1618,6 @@ W:	http://www.ia64-linux.org/
 T:	git kernel.org:/pub/scm/linux/kernel/git/aegl/linux-2.6.git
 S:	Maintained
 
-IBM ACPI EXTRAS DRIVER
-P:	Henrique de Moraes Holschuh
-M:	ibm-acpi@hmh.eng.br
-L:	ibm-acpi-devel@lists.sourceforge.net
-W:	http://ibm-acpi.sourceforge.net
-W:	http://thinkwiki.org/wiki/Ibm-acpi
-T:	git repo.or.cz/linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git
-S:	Maintained
-
 SN-IA64 (Itanium) SUB-PLATFORM
 P:	Jes Sorensen
 M:	jes@sgi.com
@@ -3118,6 +3109,15 @@ P:	Chris Zankel
 M:	chris@zankel.net
 S:	Maintained
 
+THINKPAD ACPI EXTRAS DRIVER
+P:	Henrique de Moraes Holschuh
+M:	ibm-acpi@hmh.eng.br
+L:	ibm-acpi-devel@lists.sourceforge.net
+W:	http://ibm-acpi.sourceforge.net
+W:	http://thinkwiki.org/wiki/Ibm-acpi
+T:	git repo.or.cz/linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git
+S:	Maintained
+
 UltraSPARC (sparc64):
 P:	David S. Miller
 M:	davem@davemloft.net