MAINTAINERS: Update amd-iommu F: patterns

Commit 29b6841 ("x86: amd_iommu: move to drivers/iommu/")
moved the files, update the patterns.

CC: Ohad Ben-Cohen <[email protected]>
CC: Joerg Roedel <[email protected]>

Signed-off-by: Joe Perches <[email protected]>
Signed-off-by: Joerg Roedel <[email protected]>

Author: JoePerches

MAINTAINERS

@@ -511,8 +511,8 @@ M:	Joerg Roedel <[email protected]>
 L:	[email protected]
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu.git
 S:	Supported
-F:	arch/x86/kernel/amd_iommu*.c
-F:	arch/x86/include/asm/amd_iommu*.h
+F:	drivers/iommu/amd_iommu*.[ch]
+F:	include/linux/amd-iommu.h
 
 AMD MICROCODE UPDATE SUPPORT
 M:	Andreas Herrmann <[email protected]>