MAINTAINERS: stop nvme matching for nvmem files

The nvme patterns detect all include files starting with nvme, which
also picks up the nvmem subsystem header files. Fix this by using
a more specific pattern.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
[hch: switched to a purely inclusive pattern instead of excluding nvmem*]
Signed-off-by: Christoph Hellwig <hch@lst.de>

MAINTAINERS

@@ -14830,7 +14830,8 @@ T:	git://git.infradead.org/nvme.git
 F:	Documentation/nvme/
 F:	drivers/nvme/host/
 F:	drivers/nvme/common/
-F:	include/linux/nvme*
+F:	include/linux/nvme.h
+F:	include/linux/nvme-*.h
 F:	include/uapi/linux/nvme_ioctl.h
 
 NVM EXPRESS FABRICS AUTHENTICATION