MAINTAINERS: update MCA section

The MCA section included a file referring to Machine Check rather than
Microchannel.

Rename the section to spell out Microchannel and drop the bad file
reference.

Reported-by: Greg Pearson <greg.pearson@hp.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 95eba31..6cb07e4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4416,6 +4416,13 @@
 S:	Supported
 F:	arch/microblaze/
 
+MICROCHANNEL ARCHITECTURE (MCA)
+M:	James Bottomley <James.Bottomley@HansenPartnership.com>
+S:	Maintained
+F:	Documentation/mca.txt
+F:	drivers/mca/
+F:	include/linux/mca*
+
 MICROTEK X6 SCANNER
 M:	Oliver Neukum <oliver@neukum.name>
 S:	Maintained
@@ -4431,14 +4438,6 @@
 F:	Documentation/mips/
 F:	arch/mips/
 
-MISCELLANEOUS MCA-SUPPORT
-M:	James Bottomley <James.Bottomley@HansenPartnership.com>
-S:	Maintained
-F:	Documentation/ia64/mca.txt
-F:	Documentation/mca.txt
-F:	drivers/mca/
-F:	include/linux/mca*
-
 MODULE SUPPORT
 M:	Rusty Russell <rusty@rustcorp.com.au>
 S:	Maintained